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 76–80 of 80 patents

Patent #TitleCo-InventorsDate
4287791 Power transmission unit for automotive vehicles Akio Numazawa 1981-09-08
4271715 Transmission equipped with auxiliary speed changing gear 1981-06-09
4261217 Transmission equipped with auxiliary speed changing gear Akio Numazawa 1981-04-14
4233355 Separable composite fiber and process for producing same Yoshiaki Sato 1980-11-11
4186557 Torque converter with narrowed flow passages Kiyoshi Oonuma 1980-02-05