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 701–723 of 723 patents

Patent #TitleCo-InventorsDate
4336776 Swirl-inducing apparatus for internal combustion engines Masaharu Sumiyoshi, Setsuro Sekiya, Katsuhiko Motosugi, Shuhei Toyoda 1982-06-29
4323038 Intake system of a multi-cylinder internal combustion engine Katsuhiko Motosugi, Shuhei Toyoda, Toshio Tanahashi 1982-04-06
4320214 Method of making silane-modified ethylene-type resin Hiroshi Harayama, Ken Shinkai, Masahiro Mizusako 1982-03-16
4315845 Process for preparing chemically platable thermosetting powder coating Koichi Tsuyama, Nobuo Uozu, Makoto Fujikura 1982-02-16
4314529 Intake system of a multi-cylinder internal combustion engine Katsuhiko Motosugi, Shuhei Toyoda, Toshiaki Konomi, Hideaki Matsui 1982-02-09
4309249 Neutron source, linear-accelerator fuel enricher and regenerator and associated methods Meyer Steinberg, James R. Powell, Pierre-Philippe Grand, Herbert Kouts 1982-01-05
4300500 Intake system of a multi-cylinder internal combustion engine Katsuhiko Motosugi, Shuhei Toyoda, Toshio Tanahashi 1981-11-17
4275268 Mixing apparatus Etsuo Shibazaki, Yoshihito Yamamoto 1981-06-23
4268855 Noise reduction system for color television signal 1981-05-19
4262639 Intake system of a multi-cylinder internal combustion engine Katsuhiko Motosugi, Shuhei Toyoda, Kazunori Kawabata 1981-04-21
4261316 Intake system of a multi-cylinder internal combustion engine Katsuhiko Motosugi, Shuhei Toyoda 1981-04-14
4259434 Method for developing positive acting light-sensitive planographic printing plate Kotaro Yamasue, Hirokazu Sakaki, Akira Nishioka 1981-03-31
4254172 Baseboard for printed circuit board Kiyoshi Nakao, Masaaki Katagiri 1981-03-03
4249212 Television picture special effects system using digital memory techniques Yutaka Ito, Yukihiko Isomura, Katsuhisa Kato, Masao Inaba 1981-02-03
4246610 Noise reduction system for color television signal 1981-01-20
4246599 Abnormal separation detecting circuits of chromatic signals of SECAM systems Takashi Sugimoto 1981-01-20
4243690 Instant-cooking dry macaroni and like dry foods and a method of their manufacture Sanpei Murakami, Sadao Kokeguchi, Ken Okada 1981-01-06
4243689 Non-fried instant cooking dry noodles and a method for producing such noodles Sadao Kokeguchi, Ken Okada, Sanpei Murakami 1981-01-06
4242704 Noise reduction system for color television signal Yutaka Ito, Kazuo Yajima, Yoshiteru Iwanaga, Masao Inaba 1980-12-30
4240387 Intake system of a multi-cylinder internal combustion engine Katsuhiko Motosugi, Shuhei Toyoda, Toshio Tanahashi 1980-12-23
4216246 Method of improving adhesion between insulating substrates and metal deposits electrolessly plated thereon, and method of making additive printed circuit boards Yorio Iwasaki, Toshiro Okamura, Akishi Nakaso, Nobuo Uozu 1980-08-05
4216014 Low temperature steel alloy Kaoru Horiuchi, Akio Matsui, Masahiro Hara 1980-08-05
4188415 Baseboard for printed circuit board and method of producing the same Kiyoshi Nakao, Masaaki Katagiri 1980-02-12