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Inventor

Toshihiro Murayama

Inventor
Higashimatsuyama, JP

Overview

14→
Patents
1981–2017
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 14 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids30%
F01CRotary-piston or oscillating-piston machines or engines15%
Y10TTechnical subjects covered by former us classification11%
F16KValves7%
G06FElectric digital data processing7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
C02FTreatment of water, waste water, sewage, or sludge4%
C23CCoating metallic material4%
F04BPositive-displacement machines for liquids4%
PatentTitleYear
9,575,623'Data file discovery, visualization, and importing'20178,862,646'Data file discovery, visualization, and importing'20146,548,330'Semiconductor apparatus and method of fabricating semiconductor apparatus'20036,056,525'Vane compressor'20006,036,450'Variable capacity vane compressor'20006,022,204'Vane compressor having a single suction groove formed in a side member which is in direct contact with a cam ring'20005,924,856'Vane compressor having a movable pressure plate and a unitary front head and cam ring'19995,921,273'Delivery valve assembly for compressor'19995,899,677'Vane compressor having a high-pressure space formed in the cam ring'19995,897,965'Electrolessly plated nickel/phosphorus/boron system coatings and machine parts utilizing the coatings'19995,741,127'Vane for vane compressor'19984,934,912'Sliding-vane rotary compressor with vibration cushioning members'19904,763,872'Operating oil introduction type electromagnetic valve'19884,258,136'Process for producing wood adsorbents for mercury ions by graft polymerization of acrolein onto xanthated wood meal followed by conversion to thiosemicarbazone'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to FORESTRY & FOREST PROD RES INS (1)· patent assignee history
1988–1990Patents assigned to DIESEL KIKI CO (2)· patent assignee history
1988–2000Based in Higashimatsuyama, JP· patent location history
1990–1999Based in Konan, JP· patent location history
1998–2000Patents assigned to ZEXEL CORP (8)· patent assignee history
1998–2000Based in Kounan, JP· patent location history
1999Patents assigned to JAPAN KANIGEN CO LTD (1)· patent assignee history
1999Based in Saitama, JP· patent location history
2014–2017Patents assigned to PLUSAMP INC (2)· patent assignee history
2014–2017Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ZEXEL CORP81998–2000
DIESEL KIKI CO21988–1990
PLUSAMP INC22014–2017
FORESTRY & FOREST PROD RES INS11981
JAPAN KANIGEN CO LTD11999
Locations
LocationPatentsSpan
Higashimatsuyama, JP31988–2000
Kounan, JP31998–2000
Tokyo, JP22014–2017
Saitama, JP21999
Konan, JP21990–1999