HY

Hiroshi Yamaguchi

FU Fujifilm: 53 patents #52 of 4,519Top 2%
PA Panasonic: 37 patents #358 of 21,108Top 2%
Nissan Motor Co.: 31 patents #90 of 8,689Top 2%
HI Hitachi: 27 patents #1,104 of 28,497Top 4%
Ricoh Company: 26 patents #784 of 9,818Top 8%
Sumitomo Electric Industries: 25 patents #692 of 21,551Top 4%
Mitsubishi Electric: 21 patents #929 of 25,717Top 4%
Fujitsu Limited: 21 patents #1,322 of 24,456Top 6%
SO Sony: 19 patents #2,183 of 25,231Top 9%
KM Konica Minolta: 19 patents #42 of 2,718Top 2%
KO Konica: 12 patents #157 of 1,958Top 9%
NE Nec: 12 patents #1,037 of 14,502Top 8%
Sharp Kabushiki Kaisha: 10 patents #1,673 of 10,731Top 20%
TK Toshiba Tec Kabushiki Kaisha: 10 patents #307 of 1,664Top 20%
FI Fujifilm Business Innovation: 7 patents #693 of 1,659Top 45%
IC Idemitsu Kosan Co.: 7 patents #211 of 1,237Top 20%
UN Unknown: 7 patents #1,646 of 83,584Top 2%
Kubota: 7 patents #292 of 2,059Top 15%
JD Japan Display: 7 patents #421 of 1,204Top 35%
Brother Kogyo: 6 patents #1,178 of 2,767Top 45%
NC Nihon Nohyaku Co.: 6 patents #34 of 243Top 15%
KM Konica Minolta: 6 patents #346 of 1,361Top 30%
TC Toyoda Gosei Co.: 5 patents #462 of 2,296Top 25%
MC Mitsui Mining & Smelting Co.: 4 patents #141 of 838Top 20%
FK Futaba Denshi Kogyo K.K.: 4 patents #36 of 173Top 25%
JS Jsr: 4 patents #275 of 1,137Top 25%
KT Kabushiki Kaisha Toshiba: 4 patents #6,684 of 21,451Top 35%
AC Alcare Co.: 4 patents #2 of 47Top 5%
MK Murata Kikai: 4 patents #95 of 454Top 25%
TD The Doshisha: 4 patents #7 of 175Top 4%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
SC S.E.S. Co.: 3 patents #3 of 24Top 15%
Bridgestone: 3 patents #795 of 2,860Top 30%
PP Pola Pharma: 3 patents #9 of 27Top 35%
NA Namics: 3 patents #23 of 113Top 25%
TC Toyo Ink Sc Holdings Co.: 3 patents #14 of 144Top 10%
MC Mayekawa Mfg. Co.: 3 patents #47 of 273Top 20%
SI Sumitomo Heavy Industries: 3 patents #164 of 917Top 20%
DE Denso: 3 patents #3,857 of 11,792Top 35%
SK Showa Denko K.K.: 2 patents #639 of 1,736Top 40%
SU Subaru: 2 patents #413 of 1,436Top 30%
SR Sloan Kettering Institute For Cancer Research: 2 patents #196 of 644Top 35%
FA Fanuc: 2 patents #952 of 1,735Top 55%
HC Hitachi Koki Co.: 2 patents #413 of 888Top 50%
TC Taisho Pharmaceutical Co.: 2 patents #184 of 557Top 35%
MA Makita: 2 patents #391 of 770Top 55%
FU Futaba: 2 patents #83 of 292Top 30%
MM Mitsubishi Materials: 2 patents #498 of 1,543Top 35%
TC Toshiba Ceramics Co.: 2 patents #107 of 458Top 25%
DI Denso Wave Incorporated: 2 patents #73 of 250Top 30%
DB Dsm Ip Assets B.V.: 2 patents #634 of 2,011Top 35%
TK Terumo Kabushiki Kaisha: 1 patents #888 of 1,558Top 60%
CC Chugoku Electric Power Co.: 1 patents #53 of 143Top 40%
AC Allied Consulting: 1 patents #540 of 1,310Top 45%
TC Tokyo Cosmos Electric Co.: 1 patents #6 of 46Top 15%
TT Tokyo Institute Of Technology: 1 patents #411 of 1,159Top 40%
TC Tsubakimoto Kogyo Co.: 1 patents #4 of 26Top 20%
JS Japan Climate Systems: 1 patents #32 of 42Top 80%
JS Jfe Steel: 1 patents #825 of 1,401Top 60%
Canon: 1 patents #14,899 of 19,416Top 80%
General Motors: 1 patents #9,361 of 18,328Top 55%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
IJ Ishikawajima-Harima Jukogyo: 1 patents #170 of 494Top 35%
HS Hitachi Systems: 1 patents #37 of 78Top 50%
KF Kwansei Gakuin Educational Foundation: 1 patents #39 of 71Top 55%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
FK Futaba Denshi Kogyo: 1 patents #54 of 123Top 45%
MC Mitsui Engineering & Shipbuilding Co.: 1 patents #166 of 496Top 35%
BA Babcock-Hitachi: 1 patents #209 of 415Top 55%
AT Autonetworks Technologies: 1 patents #723 of 1,079Top 70%
NC Nihon Dempa Kogyo Co.: 1 patents #180 of 296Top 65%
NT NTT: 1 patents #2,911 of 4,871Top 60%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
OM Omron: 1 patents #1,808 of 3,089Top 60%
OC Oryza Oil & Fat Chemical Co.: 1 patents #6 of 23Top 30%
OC Otari Electric Co.: 1 patents #8 of 19Top 45%
Eastman Kodak: 1 patents #4,972 of 8,114Top 65%
SC Showa Tansan Co.: 1 patents #3 of 21Top 15%
DI Dic: 1 patents #467 of 844Top 60%
SL Sumitomo Pharmaceuticals Company Limited: 1 patents #135 of 327Top 45%
SS Sumitomo Wiring Systems: 1 patents #1,603 of 2,615Top 65%
TC Tec Co.: 1 patents #45 of 177Top 30%
📍 Staines-upon-Thames, NY: #1 of 3 inventorsTop 35%
Overall (All Time): #437 of 4,157,543Top 1%
471
Patents All Time

Issued Patents All Time

Showing 451–471 of 471 patents

Patent #TitleCo-InventorsDate
D282252 Generator Yukinori Ito, Mitsuhiko Shibata 1986-01-21
4559200 High strength and high conductivity copper alloy Syuichi YAMASAKI, Yousuke Taniguchi 1985-12-17
4556029 Back-up system and method for engine coolant temperature sensor in electronic engine control system Kunifumi Sawamoto, Hiroshi Sanbuichi, Tatsuo Morita, Satoshi Takizawa 1985-12-03
4503329 Ion beam processing apparatus and method of correcting mask defects Tateoki Miyauchi, Akira Shimase, Mikio Hongo 1985-03-05
4483300 Feedback air fuel ratio control system and method Akio Hosaka 1984-11-20
4459670 Fuel injection control device for use with an internal combustion engine Sadao Takase 1984-07-10
4450814 Air-fuel ratio control apparatus and method for an internal combustion engine with a turbocharger Kunifumi Sawamoto, Tatsuo Morita, Kenji Ikeura 1984-05-29
4439833 Method and apparatus for detecting the gear position of transmission Kenji Ikeura 1984-03-27
4438748 Method of supplying fuel to an internal combustion engine during start-up Kenji Ikeura, Kunifumi Sawamoto, Tatsuo Morita 1984-03-27
4437442 Automotive vehicle engine control system 1984-03-20
4436505 Device for detecting flame in open-type combustor and oxygen density of indoor air Nobumasa Negishi 1984-03-13
4425890 Spark timing control apparatus for use with a internal combustion engine 1984-01-17
4412809 Oxygen density detecting device in combustor Takashi Sekiguchi, Hideyuki Tsukahara, Nobumasa Negishi, Kisuke Fujita 1983-11-01
4395984 Electronic fuel supply control system for internal combustion engines Kenji Ikeura 1983-08-02
4377996 Ignition timing control method and system 1983-03-29
4373489 Spark timing control system 1983-02-15
4325347 Method of controlling fluid flow rate using on-off type electromagnetic valve 1982-04-20
4318385 Exhaust gas recirculation control system 1982-03-09
4301353 Method for producing magnetic head Masahide Suenaga, Noboru Shimizu, Mitsuhiro Kudo, Masao Mitani 1981-11-17
4281631 Exhaust gas recirculation and idle speed control device 1981-08-04
4280455 Internal combustion engine Hiroaki Kaneko, Toshihiro Nagano 1981-07-28