Inventor · disambiguated record
Yoshinobu Murayama
Also filed as: MURAYAMA YOSHINOBU
20 granted patents·1 pending application·267 citations·filing 1975–2025
95Inventor score
Files withKUBOTA LTD10KASHIMA OIL4ULVAC CRYOGENICS INCORPORATED2KUBOTA TEKKO CO LTD1KUBOTO TEKKO CO LTD1
Top patents by PatentIndex Score
21 records- 0180US4141424ATransmission for tractorsKUBOTA LTD·Filed 1976·Granted Feb 27, 1979·34 cites·5 claims
- 0275US3980151AFront wheel drive assembly for four-wheel drive tractorKUBOTA LTD·Filed 1975·Granted Sep 14, 1976·32 cites·1 claims
- 0372US4292855ATransmission for a farm tractor of four wheel drive typeKUBOTA LTD·Filed 1978·Granted Oct 6, 1981·24 cites·6 claims
- 0469US5368771AOptically active tetrahydropyrane derivatives, liquid crystal composition and liquid crystal device containing the sameKASHIMA OIL·Filed 1992·Granted Nov 29, 1994·12 cites·7 claims
- 0568US4244232ATractor transmission mechanismKUBOTA LTD·Filed 1978·Granted Jan 13, 1981·18 cites·2 claims
- 0667US7594406B2Regenerator and cryogenics pumpULVAC CRYOGENICS INC·Filed 2005·Granted Sep 29, 2009·3 cites·9 claims
- 0763US5296616AOptically active fluorine-containing compoundKASHIMA OIL·Filed 1992·Granted Mar 22, 1994·19 cites·10 claims
- 0863US4016957ABall-ramp cam actuated disk brakeKUBOTA TEKKO CO LTD·Filed 1975·Granted Apr 12, 1977·16 cites·4 claims
- 0963US3964585AHydraulic double clutch of the wet type with pressure control valvesKUBOTA LTD·Filed 1975·Granted Jun 22, 1976·17 cites·5 claims
- 1060US4109550AStepless speed change systemsKUBOTA LTD·Filed 1977·Granted Aug 29, 1978·14 cites·13 claims
- 1158US5443755AOptically active tetrahydropyrane derivatives, liquid crystal composition and liquid crystal device containing the sameKASHIMA OIL·Filed 1994·Granted Aug 22, 1995·15 cites·6 claims
- 1256US4294131ATractor travelling system transmission mechanismKUBOTA LTD·Filed 1978·Granted Oct 13, 1981·12 cites·4 claims
- 1354US4760758ATransmission system for vehicle having planetary gear type forward and backward drive switching apparatusKUBOTA LTD·Filed 1986·Granted Aug 2, 1988·15 cites·17 claims
- 1452US7565841B2Operating frequency selection method for hardness measurement system, operating frequency selection apparatus, and hardness measurement systemUNIV NIHON·Filed 2004·Granted Jul 28, 2009·2 cites·20 claims
- 1551US2025223954A1Refrigerator and cryopumpULVAC CRYOGENICS INCORPORATED·Filed 2025·Application pending·0 cites
- 1650US11661931B2Cryopump and baffle plate for cryopumpULVAC CRYOGENICS INCORPORATED·Filed 2021·Granted May 30, 2023·0 cites·6 claims
- 1748US5595684AOptically active tetrahydropyran derivative, liquid crystal composition, and liquid crystal device containing the sameKASHIMA OIL·Filed 1995·Granted Jan 21, 1997·11 cites·6 claims
- 1846US4326597AAgricultural tractorKUBOTA LTD·Filed 1981·Granted Apr 27, 1982·9 cites·5 claims
- 1945US4003444AConstruction for uniting the brake case cover, rear wheel axle case and terminal speed reduction unit case of tractorKUBOTO TEKKO CO LTD·Filed 1975·Granted Jan 18, 1977·12 cites·5 claims
- 2044US8560253B2Material hardness distribution display system and material hardness distribution display methodOMATA SADAO·Filed 2009·Granted Oct 15, 2013·0 cites·8 claims
- 2130US4362070AChange speed apparatus for a tractorKUBOTA LTD·Filed 1980·Granted Dec 7, 1982·2 cites·4 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →