Hiroshi Suzuki — 826 Patents at Hitachi

Hiroshi Suzuki — 826 Patents

Hitachi: 77 patents #80 of 28,497Top 1%

Fujitsu Limited: 55 patents #216 of 24,456Top 1%

Mitsubishi Electric: 48 patents #144 of 25,717Top 1%

Toyota: 29 patents #607 of 26,838Top 3%

Tdk: 25 patents #186 of 3,796Top 5%

ECEagle Industry Co.: 24 patents #15 of 314Top 5%

Canon: 22 patents #2,848 of 19,416Top 15%

JTJtekt: 22 patents #22 of 1,969Top 2%

TCToagosei Co.: 21 patents #3 of 338Top 1%

Cisco: 21 patents #562 of 13,007Top 5%

MTMitsubishi Heavy Industries Engine & Turbocharger: 20 patents #7 of 278Top 3%

Sony: 20 patents #2,052 of 25,231Top 9%

TKToyoda Koki Kabushiki Kaisha: 19 patents #7 of 674Top 2%

Nec: 16 patents #701 of 14,502Top 5%

YAYazaki: 16 patents #244 of 3,427Top 8%

NNNtt Mobile Communications Network: 16 patents #3 of 253Top 2%

Brother Kogyo: 14 patents #647 of 2,767Top 25%

IBM: 13 patents #8,610 of 70,183Top 15%

ATAgency Of Industrial Science And Technology: 13 patents #4 of 1,778Top 1%

HCHitachi Chemical Company: 12 patents #116 of 1,946Top 6%

Kabushiki Kaisha Toshiba: 12 patents #2,544 of 21,451Top 15%

NCNippon Soda Co.: 12 patents #7 of 648Top 2%

Panasonic: 10 patents #2,600 of 21,108Top 15%

BOBonac: 9 patents #4 of 20Top 20%

Casio Computer Co.: 9 patents #266 of 1,970Top 15%

UNUnknown: 9 patents #1,046 of 83,584Top 2%

OLOlympus: 9 patents #529 of 3,097Top 20%

Nsk: 9 patents #164 of 1,559Top 15%

NTNTT: 9 patents #571 of 4,871Top 15%

INInoac: 9 patents #1 of 232Top 1%

Ricoh Company: 8 patents #2,695 of 9,818Top 30%

CPChugai Pharmaceutical: 7 patents #109 of 1,238Top 9%

SCShin-Etsu Chemical Co.: 7 patents #535 of 2,176Top 25%

Sharp Kabushiki Kaisha: 7 patents #2,322 of 10,731Top 25%

Broadcom: 7 patents #1,521 of 9,346Top 20%

SMSmk: 7 patents #25 of 269Top 10%

MIMinistry Of International Trade & Industry: 6 patents #11 of 582Top 2%

SKShowa Denko K.K.: 6 patents #217 of 1,736Top 15%

SDShowa Denko: 6 patents #20 of 593Top 4%

AKAsahi Denka Kogyo K.K.: 6 patents #11 of 162Top 7%

TTTokyo Institute Of Technology: 6 patents #43 of 1,159Top 4%

FCFavess Co.: 5 patents #1 of 31Top 4%

KCKoyo Seiko Co.: 5 patents #104 of 749Top 15%

MCMitsumi Electric Co.: 5 patents #171 of 935Top 20%

ASAsahi-Dow: 5 patents #13 of 93Top 15%

KUKurimoto: 5 patents #2 of 113Top 2%

Pioneer Electronic: 5 patents #387 of 1,840Top 25%

ACAcr Co.: 4 patents #1 of 16Top 7%

ADAdeka: 4 patents #104 of 499Top 25%

Aisin Seiki Kabushiki Kaisha: 4 patents #844 of 3,782Top 25%

Denso: 4 patents #3,129 of 11,792Top 30%

JAJapan Science And Technology Agency: 4 patents #144 of 2,171Top 7%

NCNihon Tokushu Toryo Co.: 4 patents #1 of 57Top 2%

TCTachikawa Spring Co.: 4 patents #7 of 77Top 10%

HHHitachi High-Technologies: 4 patents #845 of 1,917Top 45%

KMKia Motors: 3 patents #1,762 of 7,429Top 25%

REResonac: 3 patents #53 of 474Top 15%

Kubota: 3 patents #629 of 2,059Top 35%

FLFujitsu Ten Limited: 3 patents #174 of 996Top 20%

SESeiko Epson: 3 patents #3,864 of 7,774Top 50%

TCToppan Printing Co.: 3 patents #268 of 1,467Top 20%

ILIatron Laboratories: 3 patents #5 of 77Top 7%

Hyundai Motor: 3 patents #3,336 of 11,886Top 30%

NDNtt Docomo: 3 patents #619 of 1,706Top 40%

Honda Motor Co.: 3 patents #6,619 of 21,052Top 35%

Yamaha Motor: 3 patents #603 of 2,310Top 30%

SUSubaru: 3 patents #330 of 1,684Top 20%

NCNiles Parts Co.: 3 patents #23 of 137Top 20%

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%

HCHyundai Motor Japan R&D Center: 3 patents #2 of 21Top 10%

RLRational Drug Design Laboratories: 3 patents #1 of 27Top 4%

TIToyota Industries: 3 patents #689 of 1,610Top 45%

RTResmed Motor Technologies: 3 patents #24 of 42Top 60%

Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%

YCYamanouchi Pharmaceutical Co.: 2 patents #177 of 516Top 35%

YEYokogawa Electric: 2 patents #398 of 1,441Top 30%

FCFurukawa Electric Co.: 2 patents #862 of 2,370Top 40%

TOTokico: 2 patents #111 of 359Top 35%

TLTokyo Electron Limited: 2 patents #2,602 of 5,567Top 50%

SCSanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%

TCThe Furukawa Metals Co.: 2 patents #1 of 10Top 10%

SISeiko Instruments: 2 patents #605 of 1,437Top 45%

HKHamamatsu Photonics K.K.: 2 patents #676 of 1,436Top 50%

SUSuncall: 2 patents #22 of 92Top 25%

MCMitsui Chemicals: 2 patents #873 of 2,279Top 40%

KSKawasaki Steel: 2 patents #570 of 1,922Top 30%

MIMitsui Petrochemical Industries: 2 patents #322 of 1,024Top 35%

HTHayashi Telempu: 2 patents #9 of 139Top 7%

TWToyoda Machine Works: 2 patents #1 of 21Top 5%

UNUnitika: 2 patents #136 of 620Top 25%

Pioneer: 2 patents #761 of 1,730Top 45%

HAHitachi Astemo: 1 patents #649 of 1,276Top 55%

SOSoken: 1 patents #60 of 182Top 35%

SUSumitomo: 1 patents #19 of 62Top 35%

TCTachi-S Co.: 1 patents #194 of 398Top 50%

ACAsahi Glass Co.: 1 patents #1,233 of 2,251Top 55%

TOTadahiro Ohmi: 1 patents #22 of 65Top 35%

TCTaiheiyo Cement: 1 patents #83 of 203Top 45%

KSKikusui Seisakusho: 1 patents #23 of 45Top 55%

TKTerumo Kabushiki Kaisha: 1 patents #888 of 1,558Top 60%

FLFujitsu Toshiba Mobile Communications Limited: 1 patents #30 of 113Top 30%

CUColumbia University: 1 patents #1,151 of 2,492Top 50%

TTThe University Of Tokyo: 1 patents #1,000 of 2,633Top 40%

EAEpcos Ag: 1 patents #321 of 606Top 55%

TOToshiba: 1 patents #1,121 of 2,688Top 45%

TSTokyo University Of Pharmacy And Life Sciences: 1 patents #7 of 34Top 25%

TOToppoly Optoelectronics: 1 patents #68 of 130Top 55%

TIToray Industries: 1 patents #2,000 of 3,690Top 55%

TDToshiba Storage Device: 1 patents #44 of 150Top 30%

TOTosoh: 1 patents #576 of 1,042Top 60%

DTDirector-General Of Agency Of Industrial Science And Technology: 1 patents #194 of 696Top 30%

DKDenki Kagaku Kogyo: 1 patents #291 of 655Top 45%

YAYokohama Aeroquip: 1 patents #2 of 13Top 20%

DCDaihatsu Motor Co.: 1 patents #84 of 248Top 35%

DIDaicel Chemical Industries: 1 patents #476 of 893Top 55%

Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%

Comcast: 1 patents #2,448 of 4,447Top 60%

Ford: 1 patents #9,400 of 17,473Top 55%

CHChisso: 1 patents #468 of 833Top 60%

CICentral Research Institute Of Electric Power Industry: 1 patents #86 of 276Top 35%

ACAisin Aw Co.: 1 patents #1,133 of 2,011Top 60%

APAstellas Pharma: 1 patents #544 of 954Top 60%

ACAsmo Co.: 1 patents #369 of 745Top 50%

Applied Materials: 1 patents #4,824 of 7,310Top 70%

TLTakeda Pharmaceutical Company Limited: 1 patents #859 of 1,531Top 60%

KEKokusai Electric: 1 patents #344 of 583Top 60%

KCKureha Chemical Industry Co.: 1 patents #91 of 215Top 45%

KCKanken Techno Co.: 1 patents #5 of 19Top 30%

LGLion Group: 1 patents #229 of 587Top 40%

Mazda Motor: 1 patents #2,563 of 4,755Top 55%

KCKaken Pharmaceutical Co.: 1 patents #159 of 335Top 50%

MKMitsubishi Denki K.K.: 1 patents #164 of 577Top 30%

JTJapan Tobacco: 1 patents #582 of 1,187Top 50%

JTJapan Science And Technology: 1 patents #225 of 836Top 30%

IKIwatani Sangyo Kabushiki Kaisha: 1 patents #17 of 38Top 45%

NMNational Research Institute For Metals: 1 patents #66 of 167Top 40%

NUNational University Corporation Kobe University: 1 patents #47 of 288Top 20%

NINgk Insulators: 1 patents #1,271 of 2,083Top 65%

NCNihon Ceratec Co.: 1 patents #2 of 27Top 8%

ACAsahi Kasei Kogyo Co.: 1 patents #565 of 1,395Top 45%

NCNikon Engineering Co.: 1 patents #3 of 8Top 40%

NCNippon Seiki Co.: 1 patents #124 of 311Top 40%

NCNippon Seiko Co.: 1 patents #121 of 315Top 40%

NCNippon Shokubai Co.: 1 patents #656 of 1,108Top 60%

NSNippon Steel: 1 patents #2,111 of 4,423Top 50%

NMNippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%

NCNishikawa Rubber Co.: 1 patents #121 of 246Top 50%

NCNittan Valve Co.: 1 patents #49 of 98Top 50%

NKNitto Kogyo: 1 patents #22 of 53Top 45%

NONof: 1 patents #246 of 561Top 45%

NONok: 1 patents #382 of 725Top 55%

OCOki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%

HKHonda Giken Kogyo K.K.: 1 patents #97 of 311Top 35%

PHPhc Holdings: 1 patents #122 of 211Top 60%

HMHokuetsu Paper Mills: 1 patents #10 of 20Top 50%

RJResearch Development Corporation Of Japan: 1 patents #170 of 402Top 45%

RSRicoh Printing Systems: 1 patents #97 of 200Top 50%

HCHokkaido Sugar Co.: 1 patents #7 of 24Top 30%

HDHitachi Power Semiconductor Device: 1 patents #36 of 79Top 50%

HSHitachi High-Tech Fine Systems: 1 patents #3 of 24Top 15%

Overall (All Time): #100 of 4,157,543Top 1%

Hiroshi Suzuki has been granted 826 US patents while listed as an inventor at Hitachi. The first was granted in 1980 and the most recent in December 2025. Hiroshi Suzuki ranks #100 of 4,157,543 US inventors in our database (top 0.00%). Patent records list Hiroshi Suzuki in Yokohama, CA, JP.

Patents per Year

Issued Patents All Time

Showing 1–25 of 826 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12510162	Sliding component	Yuichiro Tokunaga	2025-12-30
12498044	Sliding component	—	2025-12-16
12473946	Sliding components	Shinji Fukuda, Tadatsugu IMURA, Iwa OU, Kenji Uchida, Hidenori Aizawa	2025-11-18
12450712	Inspection device and molded-product processing system	—	2025-10-21
12432457	Image capturing apparatus and control method thereof and storage medium	Fumitaka Nakayama	2025-09-30
12404936	Sliding component	Tadatsugu IMURA, Shogo FUKUDA, Kenta Uchida	2025-09-02
12404935	Sliding component	—	2025-09-02
12385567	Sliding component	Iwa OU, Tadatsugu IMURA, Yuichiro Tokunaga	2025-08-12
12368711	Server apparatus, terminal, authentication system, authentication method, and storage medium	—	2025-07-22
12316604	Registration system, registration method, and registration program	Yuhei Hayashi, Ichiro Kudo, Hiroshi Osawa, Yuki Miyoshi, Takeaki NISHIOKA	2025-05-27
12305760	Sealing device and method for manufacturing sealing device	Hikaru Tadano, Tokunori Yanagi, Koichi Yoshimura	2025-05-20
12295301	Plant cultivation method and plant cultivation apparatus	Yoko Hattori, Kazufumi Tabata	2025-05-13
12274935	Haptic presentation system and apparatus	Hiroto Kawaguchi, Hironobu Abe	2025-04-15
12252086	Vehicle horn configuration structure	Takahiro Daibo, Yusuke Takeuchi	2025-03-18
12209668	Sliding component	Tadatsugu IMURA	2025-01-28
12202552	Exterior member for vehicle and method for manufacturing the same	Kensaku Sakai, Koushi Yamada, Motoi Iida, Masaru Shirota	2025-01-21
12202587	Marine propulsion device and method of controlling marine propulsion device	Kimitaka SARUWATARI, Masaya OISHI	2025-01-21
12152676	Sliding component	—	2024-11-26	$177,000
12143089	Common mode filter	Yugo Asai, Tsutomu Kobayashi, Daisuke Urabe, Emi Ito, Toshio Tomonari	2024-11-12
12142423	Solenoid valve abnormality detection device, automatic medical analysis apparatus using same, and solenoid valve abnormality detection method	Guangbin Zhou, Gorou YOSHIDA, Kazuhiro Tanaka	2024-11-12
12135022	Fluid control apparatus and electronic apparatus	Masahiro Sato, Koji Fukumoto, Yuya Horiuchi, Hironobu Abe, Hiroto Kawaguchi +4 more	2024-11-05	$870,000
12135030	Sliding component	Yuichiro Tokunaga	2024-11-05	$183,000
12116671	Laminate and method for producing same	Akira Furuya, Tadaaki Kojima	2024-10-15
12110923	Sliding component	Yuichiro Tokunaga	2024-10-08	$197,000
12104598	Eccentric sliding assembly with a plurality of dynamic pressure generation mechanisms	Yuichiro Tokunaga	2024-10-01	$170,000

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