HA

Hajime Arai

NC Nhk Spring Co.: 33 patents #6 of 1,116Top 1%
TO Toyota: 20 patents #1,142 of 26,838Top 5%
Mitsubishi Electric: 9 patents #3,275 of 25,717Top 15%
KC Koito Manufacturing Co.: 3 patents #355 of 1,047Top 35%
GI Gs Yuasa International: 3 patents #142 of 491Top 30%
TI Toray Industries: 2 patents #1,308 of 3,690Top 40%
NT NTT: 2 patents #2,095 of 4,871Top 45%
ST Sandisk Technologies: 2 patents #967 of 2,224Top 45%
KU Kyoto University: 2 patents #286 of 1,688Top 20%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
SC Seiren Co.: 1 patents #61 of 165Top 40%
TC Toyo Gosei Kogyo Co.: 1 patents #19 of 50Top 40%
WT Western Digital Technologies: 1 patents #1,787 of 3,180Top 60%
EX ExxonMobil: 1 patents #5,661 of 10,161Top 60%
📍 Yokohama, JP: #115 of 480 inventorsTop 25%
Overall (All Time): #22,476 of 4,157,543Top 1%
80
Patents All Time

Issued Patents All Time

Showing 51–75 of 80 patents

Patent #TitleCo-InventorsDate
5478759 Method of manufacturing semiconductor device with retrograde wells Tomoharu Mametani, Masahiro Shimizu, Katsuhiro Tsukamoto, Heiji Kobayashi 1995-12-26
5415957 Cathode material and secondary battery using the same Shigeto Okada, Hideaki Ohtsuka, Masasi Shibata, Masahiro Ichimura 1995-05-16
5348127 Fluid coupling power transmission with lockup clutch Kiyohito Murata, Yoshio Shindo 1994-09-20
5300804 Mask ROM device having highly integrated memory cell structure 1994-04-05
5270253 Method of producing semiconductor device Isao Furuta, Hidefumi Kuroki, Junichi Arima, Yoshihiro Hirata, Shigeru Harada 1993-12-14
5206349 Aromatic diazo compounds and photosensitive compositions using the same Hirotada Iida, Hitoshi Sugiura, Katsuhiko Sugou, Kieko Harada 1993-04-27
4927783 Method for fabricating semiconductor device Hiroshi Harada 1990-05-22
4922321 Semiconductor device and a method of producing same Isao Furuta, Hidefumi Kuroki, Junichi Arima, Yoshihiro Hirata, Shigeru Harada 1990-05-01
4716733 Clutch master cylinder Masami Sugihara, Osamu Ogura, Satoru Maruyamano 1988-01-05
H295 Shift fork support structure in a manual transmission Akio Numazawa, Shozi Haga, Tadashi Nozaki 1987-07-07
4539859 Shift mechanism in a manual transmission Shozi Haga, Tadashi Nozaki 1985-09-10
4531420 Rotary shaft of transmission Shozi Haga, Tadashi Nozaki 1985-07-30
4531623 Shift fork in a transmission for an automobile including pawl members with stepped outer portions Shozi Haga, Tadashi Nozaki 1985-07-30
4528869 Automatic transmission for vehicles Seitoku Kubo, Koujiro Kuramochi 1985-07-16
4491657 Polyester multifilament yarn and process for producing thereof Isoo Saito, Kotaro Fujioka, Hideo Saruyama 1985-01-01
4476739 Gear-shift mechanism for power transmission units Shozi Haga, Tadashi Nozaki 1984-10-16
4416168 Transmission and sub-transmission with mutually contending helical gears Shoji Haga 1983-11-22
4404869 Power transmission unit for motor vehicles Akio Numazawa 1983-09-20
4403526 Manual transmission and hydraulically operated subtransmission Akio Numazawa 1983-09-13
4388844 Transmission fluid pressure control device with two stepped line pressures Shoji Haga 1983-06-21
4368650 Compact transmission, including a main transmission and a subtransmission Akio Numazawa, Shoji Haga 1983-01-18
4328717 Automatic transmission 1982-05-11
4299140 Transfer device for four wheel drive Hiroyoshi Kako 1981-11-10
4292860 Transfer device associated with power transmission Hiroyoshi Kako 1981-10-06
4289220 Hydraulic coupling with a lock-up clutch Kiyoshi Onuma 1981-09-15