Inventor · disambiguated record
Kunio Ohtsuka
Also filed as: OHTSUKA KUNIO · SUGANO KAZUHIKO · YAMAMORI TAKAHIRO
51 granted patents·806 citations·filing 1974–1996
99Inventor score
Top patents by PatentIndex Score
51 records- 0198US4748869AAutomatic transmission for an automotive vehicleNISSAN MOTOR·Filed 1986·Granted Jun 7, 1988·134 cites·13 claims
- 0287US4324156AMethod and apparatus for hydraulic control of automatic transmissionNISSAN MOTOR·Filed 1979·Granted Apr 13, 1982·30 cites·53 claims
- 0386US4483215ATransmission with overdriveNISSAN MOTOR·Filed 1980·Granted Nov 20, 1984·37 cites·25 claims
- 0484US4274308AShock control arrangement in hydraulic control systemNISSAN MOTOR·Filed 1979·Granted Jun 23, 1981·30 cites·31 claims
- 0581US4334441AGearshift timing control arrangement for automatic power transmissionNISSAN MOTOR·Filed 1979·Granted Jun 15, 1982·30 cites·6 claims
- 0680US4225026AClutch mechanism for automatic power transmissionNISSAN MOTOR·Filed 1978·Granted Sep 30, 1980·22 cites·6 claims
- 0779US4270636ALock-up control system for a torque converter including a timing arrangementNISSAN MOTOR·Filed 1979·Granted Jun 2, 1981·26 cites·2 claims
- 0877US5680886AImpact energy absorberOTSUKA & CO LTD·Filed 1996·Granted Oct 28, 1997·41 cites·3 claims
- 0977US4294140AHydraulic torque converter control systemNISSAN MOTOR·Filed 1979·Granted Oct 13, 1981·23 cites·4 claims
- 1075US4223570APower transmission for automotive vehicleNISSAN MOTOR·Filed 1978·Granted Sep 23, 1980·32 cites·21 claims
- 1174US4382496ATorque converter with lockup clutch unitNISSAN MOTOR·Filed 1981·Granted May 10, 1983·24 cites·11 claims
- 1273US5360775APorous clay intercalation compound and its production methodMITSUBISHI MATERIALS CORP·Filed 1992·Granted Nov 1, 1994·31 cites·18 claims
- 1370US4274307AShock control arrangement in hydraulic control system of automatic power transmissionNISSAN MOTOR·Filed 1978·Granted Jun 23, 1981·19 cites·11 claims
- 1468US4308765ALine pressure control device for the hydraulic control system of an automatic power transmissionNISSAN MOTOR·Filed 1979·Granted Jan 5, 1982·17 cites·8 claims
- 1568US4271939AHydraulic control system for a hydrokinetic torque converterNISSAN MOTOR·Filed 1979·Granted Jun 9, 1981·17 cites·9 claims
- 1667US4261227AAutomatic transmission for transverse engine of front-drive automotive vehicleNISSAN MOTOR·Filed 1978·Granted Apr 14, 1981·17 cites·8 claims
- 1765US4020718AHydraulic system for an automatic power transmissionNISSAN MOTOR·Filed 1975·Granted May 3, 1977·17 cites·12 claims
- 1860US4313354ADownshift valve in hydraulic transmission control systemNISSAN MOTOR·Filed 1978·Granted Feb 2, 1982·13 cites·6 claims
- 1959US4325271AShock control arrangement in hydraulic control system of automatic power transmissionNISSAN MOTOR·Filed 1978·Granted Apr 20, 1982·13 cites·12 claims
- 2059US4194518AGovernor having ability of removing dust from working fluid in automatic transmissionNISSAN MOTOR·Filed 1979·Granted Mar 25, 1980·7 cites·6 claims
- 2158US4366724ATransverse axle automatic transmissionNISSAN MOTOR·Filed 1980·Granted Jan 4, 1983·14 cites·2 claims
- 2256US4334442AShift valve arrangement of hydraulic transmission control systemNISSAN MOTOR·Filed 1979·Granted Jun 15, 1982·12 cites·6 claims
- 2355US4462280AManual valve for hydraulic control system for automatic transmissionNISSAN MOTOR·Filed 1982·Granted Jul 31, 1984·13 cites·6 claims
- 2453US4513634AChange-speed transmission with selective bypass of hydrokinetic unitNISSAN MOTOR·Filed 1982·Granted Apr 30, 1985·12 cites·11 claims
- 2551US4301697AHydraulic control system for automatic power transmission having transmission throttle valve with failsafe meansNISSAN MOTOR·Filed 1979·Granted Nov 24, 1981·10 cites·15 claims
- 2650US3999450AThrottle valve for automotive transmission control systemNISSAN MOTOR·Filed 1974·Granted Dec 28, 1976·10 cites·3 claims
- 2749US4307631AInterlock preventive device for automatic power transmissionNISSAN MOTOR·Filed 1978·Granted Dec 29, 1981·9 cites·3 claims
- 2848US4271721AHousing for front-drive automatic transmission for transverse engine of automotive vehicleNISSAN MOTOR·Filed 1978·Granted Jun 9, 1981·9 cites·5 claims
- 2947US5064791AMethod of preparing ceramic composite powders and the powders obtained therebyMITSUBISHI MINING & CEMENT CO·Filed 1990·Granted Nov 12, 1991·14 cites·18 claims
- 3047US4483212AChange-speed transmission with selective bypass of hydrokinetic unitNISSAN MOTOR·Filed 1982·Granted Nov 20, 1984·8 cites·4 claims
- 3147US4369865ALock-up control system for a torque converterNISSAN MOTOR·Filed 1979·Granted Jan 25, 1983·9 cites·7 claims
- 3246US4257441ATransmission throttle valve of automatic power transmissionNISSAN MOTOR·Filed 1978·Granted Mar 24, 1981·8 cites·2 claims
- 3345US4301900ALock-up torque converter with clutch piston engageable with converter coverNISSAN MOTOR·Filed 1979·Granted Nov 24, 1981·8 cites·2 claims
- 3444US4223566ATransverse automatic power transmission with improved bearing construction for output gear elementsNISSAN MOTOR·Filed 1978·Granted Sep 23, 1980·8 cites·16 claims
- 3543US4369672AChange-speed transmission with selective bypass of hydrokinetic unitNISSAN MOTOR·Filed 1981·Granted Jan 25, 1983·6 cites·11 claims
- 3643US4307628AAutomatic power transmission for transverse engine for front-drive vehicleNISSAN MOTOR·Filed 1979·Granted Dec 29, 1981·7 cites·8 claims
- 3743US4282781ATransmission throttle valve of automatic power transmissionNISSAN MOTOR·Filed 1979·Granted Aug 11, 1981·7 cites·8 claims
- 3843US4267910AClutch drum assembly for automatic power transmissionNISSAN MOTOR·Filed 1978·Granted May 19, 1981·7 cites·5 claims
- 3943US4202431APassage structure of lock-up torque converterNISSAN MOTOR·Filed 1979·Granted May 13, 1980·7 cites·8 claims
- 4040US4324154AHydraulic control system of automatic power transmissionNISSAN MOTOR·Filed 1978·Granted Apr 13, 1982·5 cites·18 claims
- 4140US4248106AFirst-second gear shift valve of hydraulic transmission control systemNISSAN MOTOR·Filed 1979·Granted Feb 3, 1981·6 cites·6 claims
- 4239US4309919AUpshift scheduling valve for use in hydraulic transmission control systemNISSAN MOTOR·Filed 1979·Granted Jan 12, 1982·5 cites·2 claims
- 4339US4306469ALine pressure boost control valve for hydraulic control system of automatic power transmissionNISSAN MOTOR·Filed 1979·Granted Dec 22, 1981·5 cites·10 claims
- 4438US4296651AAutomatic power transmission shift valveNISSAN MOTOR·Filed 1978·Granted Oct 27, 1981·5 cites·15 claims
- 4538US4282773AChange-speed transmissionNISSAN MOTOR·Filed 1978·Granted Aug 11, 1981·5 cites·16 claims
- 4636US4299315APassage structure of lock-up torque converter using specially designed spacerNISSAN MOTOR·Filed 1979·Granted Nov 10, 1981·4 cites·4 claims
- 4734US4273009ATransmission throttle valve for use in hydraulic control system of automatic power transmissionNISSAN MOTOR·Filed 1979·Granted Jun 16, 1981·3 cites·3 claims
- 4834US4144776AChange-speed planetary transmissionNISSAN MOTOR·Filed 1977·Granted Mar 20, 1979·3 cites·4 claims
- 4932US4255983AAutomatic transmission with governor driving arrangementNISSAN MOTOR·Filed 1978·Granted Mar 17, 1981·2 cites·7 claims
- 5032US4160392AAutomatic power transmission with direct-drive clutchNISSAN MOTOR·Filed 1977·Granted Jul 10, 1979·3 cites·8 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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