HT

Hiroshi Takahashi

Ricoh Company: 63 patents #122 of 9,818Top 2%
SO Sony: 58 patents #351 of 25,231Top 2%
KT Kabushiki Kaisha Toshiba: 43 patents #442 of 21,451Top 3%
Nissan Motor Co.: 34 patents #69 of 8,689Top 1%
SP Seiko Precision: 34 patents #1 of 173Top 1%
NT NTT: 31 patents #51 of 4,871Top 2%
BC Bridgestone Sports Co.: 30 patents #29 of 224Top 15%
PA Panasonic: 29 patents #544 of 21,108Top 3%
TO Toyota: 24 patents #844 of 26,838Top 4%
SI Seiko Instruments: 22 patents #62 of 1,437Top 5%
Fujitsu Limited: 22 patents #1,239 of 24,456Top 6%
NE Nec: 20 patents #500 of 14,502Top 4%
G( Gemological Institute Of America, Inc. (Gia): 18 patents #1 of 47Top 3%
TI Texas Instruments: 18 patents #707 of 12,488Top 6%
Honda Motor Co.: 17 patents #852 of 21,052Top 5%
TI Toray Industries: 13 patents #134 of 3,690Top 4%
Canon: 12 patents #5,447 of 19,416Top 30%
Sumitomo Electric Industries: 12 patents #2,165 of 21,551Top 15%
MC Mitsubishi Gas Chemical Company: 11 patents #164 of 1,727Top 10%
Mitsubishi Electric: 10 patents #2,886 of 25,717Top 15%
SE Seiko Epson: 9 patents #2,012 of 7,774Top 30%
HC Hitachi Chemical Company: 8 patents #199 of 1,946Top 15%
DI Daicel Chemical Industries: 8 patents #86 of 893Top 10%
NC Nikko Co.: 7 patents #2 of 55Top 4%
NC Nippon Electric Co.: 6 patents #12 of 792Top 2%
SC Sekisui Medical Co.: 6 patents #15 of 206Top 8%
Sharp Kabushiki Kaisha: 6 patents #2,623 of 10,731Top 25%
PC Phoenix Electric Co.: 6 patents #6 of 34Top 20%
SK Showa Denko K.K.: 5 patents #278 of 1,736Top 20%
Casio Computer Co.: 5 patents #505 of 1,970Top 30%
AC Alps Electric Co.: 4 patents #470 of 2,177Top 25%
TC Taiyo Yuden Co.: 4 patents #318 of 959Top 35%
FC Fuji Electric Co.: 4 patents #717 of 2,643Top 30%
CL Central Glass Company, Limited: 4 patents #196 of 968Top 25%
KF Kanebo Foods: 4 patents #2 of 14Top 15%
OC Ohtake Root Kogyo Co.: 4 patents #2 of 3Top 70%
ML Mitsubishi Petrochemical Company Limited: 4 patents #89 of 670Top 15%
KO Konica: 4 patents #638 of 1,958Top 35%
NS Nippon Soken: 4 patents #322 of 1,540Top 25%
AB Ablic: 4 patents #35 of 167Top 25%
NC Nippon Soda Co.: 3 patents #145 of 648Top 25%
AA Aruze Gaming America: 3 patents #55 of 127Top 45%
DA Daicel: 3 patents #112 of 523Top 25%
KI Kioritz: 3 patents #60 of 197Top 35%
NP Nec Platforms: 3 patents #39 of 361Top 15%
SC Senju Metal Industry Co.: 3 patents #91 of 349Top 30%
SN Sii Nanotechnology: 3 patents #49 of 157Top 35%
SC Sumitomo Chemical: 3 patents #1,386 of 4,033Top 35%
The General Hospital: 3 patents #583 of 3,021Top 20%
TC Toppan Printing Co.: 3 patents #268 of 1,467Top 20%
CO Comcast: 3 patents #1,192 of 4,447Top 30%
OC Olympus Optical Co.: 2 patents #1,178 of 2,334Top 55%
PK Pentel Kabushiki Kaisha: 2 patents #40 of 170Top 25%
SC Sanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
KC Konishiroku Photo Industry Co.: 2 patents #360 of 894Top 45%
KO Komori: 2 patents #78 of 219Top 40%
AC Asmo Co.: 2 patents #218 of 745Top 30%
SK Sekisui Kagaku Kogyo: 2 patents #64 of 395Top 20%
HC Hakko Electric Machine Works Co.: 2 patents #7 of 14Top 50%
MC Meisei Electric Co.: 2 patents #4 of 31Top 15%
OC Okamoto Glass Co.: 2 patents #2 of 14Top 15%
Mazda Motor: 2 patents #1,722 of 4,755Top 40%
L' L'Oreal: 2 patents #927 of 2,221Top 45%
AC Ajinomoto Co.: 2 patents #796 of 2,190Top 40%
TS Tokyo Broadcasting Systems: 2 patents #3 of 34Top 9%
OL Olympus: 2 patents #1,626 of 3,097Top 55%
PI Piolax: 1 patents #85 of 198Top 45%
JQ Japan Super Quartz: 1 patents #22 of 36Top 65%
RI Rimage: 1 patents #13 of 34Top 40%
SI Sankyo Oilless Industry: 1 patents #4 of 16Top 25%
SI Sanyo Chemical Industries: 1 patents #242 of 607Top 40%
IL Isuzu Motors Limited: 1 patents #414 of 908Top 50%
IC Ikegami Tsushinki Co.: 1 patents #34 of 89Top 40%
SC Semiconductor Technology Academic Research Center: 1 patents #98 of 254Top 40%
SU Subaru: 1 patents #677 of 1,436Top 50%
SC Shin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
CU Chiba University: 1 patents #8 of 27Top 30%
AI Aisin: 1 patents #310 of 1,000Top 35%
SS Sophia School: 1 patents #26 of 57Top 50%
AN Agfa-Gevaert Nv: 1 patents #910 of 1,819Top 55%
CC Catalysts & Chemicals Industries Co.: 1 patents #56 of 128Top 45%
TE Teac: 1 patents #255 of 440Top 60%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
AR Agency For Science, Technology And Research: 1 patents #909 of 2,337Top 40%
The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
AC Adeka Argus Chemical Co.: 1 patents #35 of 63Top 60%
AC Asahi Kogyosha Co.: 1 patents #2 of 18Top 15%
TS Toshiba Industrial Products And Systems: 1 patents #25 of 65Top 40%
TK Toshiba Tec Kabushiki Kaisha: 1 patents #1,144 of 1,664Top 70%
UE US Dept of Energy: 1 patents #1,355 of 5,099Top 30%
YE Yokogawa Electric: 1 patents #658 of 1,441Top 50%
YO Yorozu: 1 patents #20 of 59Top 35%
AN Anritsu: 1 patents #314 of 633Top 50%
HH Hitachi High-Technologies: 1 patents #674 of 1,200Top 60%
MI Mitsuba: 1 patents #291 of 618Top 50%
LG Lion Group: 1 patents #229 of 587Top 40%
Motorola: 1 patents #6,475 of 12,470Top 55%
KM Kyushu Hitachi Maxell: 1 patents #26 of 65Top 40%
NU National University Corporation Nagoya University: 1 patents #247 of 782Top 35%
IBM: 1 patents #44,794 of 70,183Top 65%
NC New Nippon Electric Co.: 1 patents #6 of 14Top 45%
Kyocera: 1 patents #2,054 of 3,732Top 60%
NC Nippon Closures Co.: 1 patents #21 of 56Top 40%
NE Nippon Moli Energy: 1 patents #2 of 4Top 50%
KO Konica Minolta Opto: 1 patents #236 of 418Top 60%
KM Konica Minolta: 1 patents #1,862 of 2,718Top 70%
NC Nippon Steel & Sumikin Materials Co.: 1 patents #37 of 78Top 50%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
KU Keio University: 1 patents #190 of 781Top 25%
NI Normark Innovations: 1 patents #5 of 10Top 50%
NT Ntt Advanced Technology: 1 patents #43 of 188Top 25%
NE Ntt Electronics: 1 patents #160 of 358Top 45%
Kawasaki: 1 patents #1,551 of 2,943Top 55%
JS Jfe Steel: 1 patents #825 of 1,401Top 60%
📍 Yokohama, NJ: #1 of 31 inventorsTop 4%
Overall (All Time): #151 of 4,157,543Top 1%
723
Patents All Time

Issued Patents All Time

Showing 551–575 of 723 patents

Patent #TitleCo-InventorsDate
5382556 Translucent polycrystalline alumina and process for producing the same Hiroshi Umezaki, Yasushi Teshima 1995-01-17
5343268 Camera with strobe capable of adjusting light emitting amount 1994-08-30
5341247 Apparatus for recording and reproducing a digital signal to perform a track bouncing editing operation Seiji Tanizawa 1994-08-23
5325213 Image reader and book document reader with a page turning capability for an image forming apparatus Kazunori Bannai, Tetsuya Fujioka, Kazushige Taguchi, Susumu Shiina 1994-06-28
5311107 Method and apparatus for stopping DC motor by brake power corresponding to rotation frequency of motor and disk storage unit having such apparatus Hiroo Shimegi, Akira Mashimo, Hiroyuki Onda, Katsuya Enami 1994-05-10
5309632 Process for producing printed wiring board Shin Takanezawa, Masao Kanno, Yorio Iwasaki, Toshirou Okamura, Akishi Nakaso +1 more 1994-05-10
5297376 Finisher for an image forming apparatus Kazushige Taguchi, Tetsuya Fujioka, Kazunori Bannai, Fumio Kishi 1994-03-29
5294338 Porous polyethylene hollow fiber membrane of large pore diameter, production process thereof, and hydrophilized porous polyethylene hollow fiber membranes Jun Kamo, Takayuki Hirai, Kenji Kondo 1994-03-15
5292458 Method of producing photosensitive microcapsules Toshihiko Sakuhara, Fumiharu Iwasaki 1994-03-08
5290665 Process for developing PS plate requiring no dampening water wherein the developer comprises, water, a solubilizer and an ethylene glycol mono(alkyl C.sub.6 -C.sub.8) ether derivative Mashafumi Kii, Susumu Yoshida, Yoshihiko Uraba 1994-03-01
5287031 Device for supporting and linearly moving an object Toshikatsu Akiba, Shitta Shingu, Kenichi Takahara, Arata Tanaka 1994-02-15
5285523 Apparatus for recognizing driving environment of vehicle 1994-02-08
5280362 Digital copier for copying a bicolored document at the same speed as a monocolored document Koichi Noguchi, Tomotoshi Nakahara, Yuji Yasuda, Michihito Ohashi 1994-01-18
5264895 Flash lighting circuit Kazuyuki Shimizu 1993-11-23
5258089 Method for producing interior-finishing material for use in automobiles Rikizou Tanaka, Hisasi Nakasima, Tatuo Sakamoto, Tsugumi Sanmiya, Kazuo Ito 1993-11-02
5255904 Feeder or image forming apparatus Kazushige Taguchi, Kazunori Bannai, Tetsuya Fujioka, Fumio Kishi 1993-10-26
5250827 Semiconductor integrated circuit having a DRAM cell unit and a nonvolatile cell unit Naoto Inoue, Motoo Toyama, Masahiko Kinbara 1993-10-05
5232642 Process of making porous polypropylene hollow fiber membrane of large pore diameter Jun Kamo, Takayuki Hirai, Kenji Kondou 1993-08-03
5230219 Freezing method and apparatus Michinori Ichikawa, Gen Matsumoto, Yoshiro Hanyu 1993-07-27
5231582 Shifting control system for automotive automatic power transmission with enhanced variable shift pattern selection depending upon a resistance based upon vehicle acceleration and an engine parameter Yasushi Narita, Makoto Kimura, Toshimi Abo 1993-07-27
5224693 Multistage paper feeding/conveying apparatus and method that uses electro static forces Kazushige Taguchi, Kazunori Bannai, Tetsuya Fujioka, Fumio Kishi 1993-07-06
5221594 PS plates requiring no dampening water Yoshihiko Urabe, Yukio Abe, Tsumoru Hirano 1993-06-22
5213038 Plate exchange apparatus for rotary press Tsuyoshi Takei 1993-05-25
5212085 SF-25 Colon adenocarcinoma antigen, and antibodies with recognize this antigen Jack R. Wands 1993-05-18
5208623 Camera incorporating a zoom lens 1993-05-04