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Inventor

Masayuki Oshima

Inventor
Tsukubamirai, JP

Overview

16→
Patents
1983–2018
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 16 as inventor

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

H03Kprimary
H03KPulse technique15%
F15BSystems acting by means of fluids in general11%
F16KValves11%
LOC2311%
Y10TTechnical subjects covered by former us classification11%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges7%
B60CVehicle tyres4%
C04BLime, magnesia4%
D21HPulp compositions4%
F04FPumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped4%
PatentTitleYear
10,006,474Flow passage unit and switching valve2018D0725231'Electromagnetic valve'2015D0725232'Electromagnetic valve'20158,043,071'Vacuum generating unit'2011D0599889'Electromagnetic valve'20097,216,843'Pilot-controlled electromagnetic valve system'20077,014,163'Pilot-controlled electromagnetic valve'20066,323,684'Voltage tolerant interface circuit'20016,252,423'Voltage tolerant interface circuit'20016,144,221'Voltage tolerant interface circuit'20005,780,881'Gate array driven by source voltages and electronic equipment using the same'19985,739,701'Input/output buffer circuit having reduced power consumption'1998D0384012'Automobile tire'19975,620,538'Asymmetric racing tire for oval race courses'19974,915,715'Humidity conditioner'19904,383,890'Ceramic sheet and method for producing the same'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2001Patents assigned to SEIKO EPSON CORP (5)· patent assignee history
1998Based in Suwa, JP· patent location history
2000–2001Based in Sunnyvale, CA, US· patent location history
2006–2018Patents assigned to SMC CORP (6)· patent assignee history
2006–2007Based in Yawara-mura, JP· patent location history
2009–2015Based in Tsukubamirai, JP· patent location history
2011–2018Based in Tsukuba, JP· patent location history
2015Patents assigned to DOI YOSHITADA (2)· patent assignee history
2015Patents assigned to HATANO KATSUSHI (2)· patent assignee history
2015Patents assigned to OSHIMA MASAYUKI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SMC CORP62006–2018
SEIKO EPSON CORP51998–2001
DOI YOSHITADA22015
HATANO KATSUSHI22015
OSHIMA MASAYUKIself22015
Locations
LocationPatentsSpan
Tsukubamirai, JP32009–2015
Sunnyvale, California, US32000–2001
Tsukuba, JP22011–2018
Yawara-mura, JP22006–2007
Suwa, JP21998