KO

Kunio Ohtsuka

Nissan Motor Co.: 44 patents #34 of 8,689Top 1%
MM Mitsubishi Materials: 1 patents #812 of 1,543Top 55%
MC Mitsubishi Mining & Cement Co.: 1 patents #46 of 110Top 45%
OC Ohtsuka Co.: 1 patents #2 of 4Top 50%
Overall (All Time): #61,263 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 26–47 of 47 patents

Patent #TitleCo-InventorsDate
4301697 Hydraulic control system for automatic power transmission having transmission throttle valve with failsafe means Kazuyoshi Iwanaga, Kazuhiko Sugano 1981-11-24
4299315 Passage structure of lock-up torque converter using specially designed spacer 1981-11-10
4296651 Automatic power transmission shift valve Kazuyoshi Iwanaga, Kazuhiko Sugano 1981-10-27
4294140 Hydraulic torque converter control system Kazuyoshi Iwanaga, Kazuhiko Sugano 1981-10-13
4282773 Change-speed transmission 1981-08-11
4282781 Transmission throttle valve of automatic power transmission Kazuyoshi Iwanaga, Kazuhiko Sugano 1981-08-11
4274307 Shock control arrangement in hydraulic control system of automatic power transmission Kazuyoshi Iwanaga, Kazuhiko Sugano 1981-06-23
4274308 Shock control arrangement in hydraulic control system Kazuyoshi Iwanaga, Kazuhiko Sugano 1981-06-23
4273009 Transmission throttle valve for use in hydraulic control system of automatic power transmission Kazuyoshi Iwanaga, Kazuhiko Sugano 1981-06-16
4271721 Housing for front-drive automatic transmission for transverse engine of automotive vehicle Takahiro Yamamori, Kazuyoshi Iwanaga 1981-06-09
4271939 Hydraulic control system for a hydrokinetic torque converter Kazuyoshi Iwanaga, Kazuhiko Sugano 1981-06-09
4270636 Lock-up control system for a torque converter including a timing arrangement Yoshio Sunohara 1981-06-02
4267910 Clutch drum assembly for automatic power transmission Takahiro Yamamori, Kazuyoshi Iwanaga 1981-05-19
4261227 Automatic transmission for transverse engine of front-drive automotive vehicle Takahiro Yamamori, Kazuyoshi Iwanaga 1981-04-14
4257441 Transmission throttle valve of automatic power transmission Kazuyoshi Iwanaga, Kazuhiko Sugano 1981-03-24
4255983 Automatic transmission with governor driving arrangement Takahiro Yamamori, Kazuyoshi Iwanaga 1981-03-17
4248106 First-second gear shift valve of hydraulic transmission control system Kazuyoshi Iwanaga, Kazuhiko Sugano 1981-02-03
4225026 Clutch mechanism for automatic power transmission Takahiro Yamamori, Kazuyoshi Iwanaga 1980-09-30
4223566 Transverse automatic power transmission with improved bearing construction for output gear elements Takahiro Yamamori, Kazuyoshi Iwanaga 1980-09-23
4223570 Power transmission for automotive vehicle Takahiro Yamamori, Kazuyoshi Iwanaga 1980-09-23
4202431 Passage structure of lock-up torque converter Takahiro Yamamori 1980-05-13
4194518 Governor having ability of removing dust from working fluid in automatic transmission Kazuyoshi Iwanaga, Kazuhiko Sugano, Takahiro Yamamori 1980-03-25