Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Hiroshi Yamazaki — 401 Patents

KOKonica: 46 patents #4 of 1,958Top 1%
Tdk: 27 patents #163 of 3,796Top 5%
KMKonica Minolta: 26 patents #9 of 1,361Top 1%
Sony: 21 patents #1,931 of 25,231Top 8%
KSKyocera Document Solutions: 18 patents #115 of 1,545Top 8%
NTNTT: 18 patents #151 of 4,871Top 4%
HCHitachi Chemical Company: 16 patents #69 of 1,946Top 4%
NDNitto Denko: 16 patents #187 of 2,479Top 8%
SCSeikosha Co.: 15 patents #15 of 312Top 5%
Mitsubishi Electric: 14 patents #1,823 of 25,717Top 8%
KMKonica Minolta: 12 patents #175 of 2,718Top 7%
OCOhi Seisakusho Co.: 12 patents #7 of 196Top 4%
Kabushiki Kaisha Toshiba: 12 patents #2,533 of 21,451Top 15%
Fujitsu Limited: 10 patents #3,161 of 24,456Top 15%
Ricoh Company: 10 patents #2,244 of 9,818Top 25%
Nissan Motor Co.: 9 patents #795 of 8,689Top 10%
ENEnplas: 9 patents #32 of 255Top 15%
CHChisso: 8 patents #104 of 833Top 15%
NHNamiki Seimitsu Houseki: 7 patents #3 of 108Top 3%
MCMabuchi Motor Co.: 5 patents #19 of 228Top 9%
NCNippon Shokubai Co.: 5 patents #248 of 1,108Top 25%
HSHarmonic Drive Systems: 5 patents #31 of 147Top 25%
FCFuji Kiko Co.: 5 patents #22 of 208Top 15%
Canon: 5 patents #9,253 of 19,416Top 50%
AKAsahi Kasei Kabushiki Kaisha: 5 patents #67 of 1,220Top 6%
KCKonishiroku Photo Industry Co.: 5 patents #175 of 894Top 20%
SPSeiko Precision: 4 patents #31 of 173Top 20%
KMKyocera Mita: 4 patents #152 of 763Top 20%
UNUnknown: 3 patents #7,366 of 83,584Top 9%
KIKabushiki Kaisha Isowa: 3 patents #10 of 54Top 20%
LPLenovo (Singapore) Pte.: 3 patents #409 of 1,301Top 35%
ACAdamant Namiki Precision Jewel Co.: 3 patents #5 of 58Top 9%
YKYasuhiro Koike: 3 patents #5 of 25Top 20%
NCNagano Japan Radio Co.: 2 patents #9 of 49Top 20%
O2O2Micro: 2 patents #65 of 174Top 40%
NCNissan Shatai Co.: 2 patents #11 of 67Top 20%
Nec: 2 patents #5,510 of 14,502Top 40%
NCNavitime Japan Co.: 2 patents #8 of 16Top 50%
CUCarleton University: 2 patents #1 of 34Top 3%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
DCDainippon Pharmaceutical Co.: 2 patents #58 of 207Top 30%
IRInstitute Of Physical And Chemical Research: 2 patents #33 of 172Top 20%
KZKabushiki Kaisha Zuken: 2 patents #2 of 29Top 7%
MSMitsubishi Heavy Industries Thermal Systems: 2 patents #71 of 149Top 50%
FUFukuoka University: 2 patents #5 of 64Top 8%
ICIkeda Bussan Co.: 2 patents #63 of 235Top 30%
HCHidan Co.: 2 patents #5 of 17Top 30%
SCSumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
AFAsahi Kasei Fibers: 1 patents #35 of 96Top 40%
CLCanadian Patents And Development Limited: 1 patents #88 of 449Top 20%
CPChisso Petrochemical: 1 patents #69 of 139Top 50%
DCDainippon Sumitomo Pharma Co.: 1 patents #107 of 256Top 45%
DKDenki Kagaku Kogyo: 1 patents #291 of 655Top 45%
FUFuji: 1 patents #263 of 422Top 65%
FCFuji Machine Mfg. Co.: 1 patents #140 of 245Top 60%
FUFujifilm: 1 patents #3,076 of 4,519Top 70%
FTFujitsu Display Technologies: 1 patents #84 of 137Top 65%
FLFujitsu Microelectronics Limited: 1 patents #212 of 624Top 35%
HRHagiwara Research: 1 patents #3 of 6Top 50%
JMJapan Electronic Materials: 1 patents #16 of 40Top 40%
JCJgc Catalysts And Chemicals: 1 patents #74 of 139Top 55%
JSJsp: 1 patents #80 of 134Top 60%
KCKoito Manufacturing Co.: 1 patents #610 of 1,047Top 60%
MCMaruzen Petrochemical Co.: 1 patents #83 of 174Top 50%
MMMitsubishi Mining: 1 patents #886 of 2,247Top 40%
NSNippon Sanso: 1 patents #107 of 243Top 45%
NENtt Electronics: 1 patents #160 of 358Top 45%
OCOki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
OMOmron: 1 patents #1,808 of 3,089Top 60%
Pioneer: 1 patents #1,107 of 1,730Top 65%
RKRikagaku Kenkyusho: 1 patents #70 of 207Top 35%
SESeiko Epson: 1 patents #5,551 of 7,774Top 75%
SKSeiko Koki Kabushiki Kaisha: 1 patents #23 of 27Top 90%
ATAT&T: 1 patents #10,626 of 18,772Top 60%
TKTanaka Kikinzoku Kogyo K.K.: 1 patents #216 of 436Top 50%
Stanford University: 1 patents #2,251 of 5,197Top 45%
YAYamatake: 1 patents #76 of 243Top 35%
Overall (All Time): #631 of 4,157,543Top 1%
401 Patents All Time

Issued Patents All Time

Showing 26–50 of 401 patents

Patent #TitleCo-InventorsDate
11283527 Optical transmitting system, optical transmitting apparatus, optical receiving apparatus and transfer function estimating method Masanori Nakamura, Fukutaro HAMAOKA, Munehiko Nagatani, Takayuki Kobayashi, Yutaka Miyamoto 2022-03-22
11194219 Optical modulator Hiroto Kawakami, Yutaka Miyamoto 2021-12-07
11088106 Stack of electrical components and method of producing the same Yohei Hirota, Hitoshi Iwama, Yusuke Takahashi 2021-08-10
11056921 Wireless power transmission system Hisashi Tsuda, Masami Inoue, Taiki Sueyoshi, Hajime Nishio, Hiromoto Haruta 2021-07-06
11032881 Controller for controlling light source module Rong Hu, Yung-Lin Lin, Naoyuki Fujita 2021-06-08
10923982 Electric compressor motor housing, and vehicle-mounted electric compressor employing same Goshi Iketaka, Masayuki Ishikawa, Keita KITAGUCHI, Hideo SAHO, Noriaki Arashi 2021-02-16
10739419 Magnetic sensor and magnetic encoder Kunihiro Ueda, Yoshiyuki Mizoguchi, Suguru Watanabe 2020-08-11
10721848 Manufacturing device, manufacturing management system, and manufacturing control program Hajime Tomokage, Yoshihisa Katoh, Hidemichi Kawase, Hiroshi Matsuoka, Hirohiko Matsuzawa +1 more 2020-07-21
10663861 Method for forming resin cured film pattern, photosensitive resin composition, photosensitive element, method for producing touch panel, and resin cured film Yasuharu Murakami, Yoshimi Igarashi, Naoki Sasahara, Ikuo Mukai 2020-05-26
10546799 Electronic apparatus Akinori Uchino, Kazuo Fujii, Takuroh Kamimura, Kenji Watamura, Takanori Hoshino 2020-01-28
10422621 Optical measurement device having a plurality of rotary shafts and displacement detectors for detecting axial displacement of each rotary shaft and using the detected axial displacement for three-dimensional image correction Eri FUKUSHIMA, Takuya Tateyama, Takafumi Asada 2019-09-24
10401157 Optical inner surface measurement device Takuya Tateyama, Kenji Narita, Takafumi Asada 2019-09-03
10386719 Method for forming resin cured film pattern, photosensitive resin composition, photosensitive element, method for producing touch panel, and resin cured film Yasuharu Murakami, Yoshimi Igarashi, Naoki Sasahara, Ikuo Mukai 2019-08-20
10353293 Photosensitive conductive film, conductive pattern formation method using same, and conductive pattern substrate Masahiko Ebihara, Emiko OOTA, Yasuharu Murakami, Hiroyuki Tanaka 2019-07-16
10243664 Optical modulator driver circuit and optical transmitter Munehiko Nagatani, Hideyuki Nosaka, Toshihiro Itoh, Koichi Murata, Hiroyuki Fukuyama +15 more 2019-03-26
10200590 Image pickup apparatus and method of controlling the same Yoshinobu Sato, Akemi Kikuchi, Daisuke Toguchi 2019-02-05
10177780 Signal generating device Munehiko Nagatani, Hideyuki Nosaka, Akihide Sano, Yutaka Miyamoto 2019-01-08
10073150 Magnetic sensor and magnetic encoder Kunihiro Ueda, Yoshiyuki Mizoguchi, Suguru Watanabe 2018-09-11
10066931 Optical inner-surface measurement device Eri FUKUSHIMA, Kazumi Yanagiura, Takafumi Asada 2018-09-04
10042254 Method of forming protective film for touch panel electrode photosensitive resin composition and photosensitive element, and method of manufacturing touch panel Ikuo Mukai, Yasuharu Murakami, Naoki Sasahara 2018-08-07
9964849 Method for forming resin cured film pattern, photosensitive resin composition, photosensitive element, method for producing touch panel, and resin cured film Yasuharu Murakami, Yoshimi Igarashi, Naoki Sasahara, Ikuo Mukai 2018-05-08
9869821 Probe for optical imaging Eri FUKUSHIMA, Tomoyuki Kugo, Norikazu Sato, Takayuki KOSHIKAWA, Chihiro OKAMOTO +1 more 2018-01-16
9817499 Conductive pattern formation method, conductive pattern-bearing substrate, and touch panel sensor Yoshimi Igarashi 2017-11-14
9810747 Magnetic sensor and magnetic encoder Kunihiro Ueda, Yoshiyuki Mizoguchi, Suguru Watanabe 2017-11-07
9769125 Information administration system Hajime Tomokage, Hidemichi Kawase, Hiroshi Matsuoka, Hirohiko Matsuzawa, Kazuhiro Kusunoki 2017-09-19