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Inventor

Masami Hashimoto

Inventor
Hirakata, JP

Overview

19→
Patents
1976–2009
Patent span
Performing operations
Primary field (CPC B)

Patents· 19 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification13%
B66DCapstans10%
B62DMotor vehicles6%
B67DDispensing, delivering or transferring liquids, not otherwise provided for6%
H03KPulse technique6%
H10DInorganic electric semiconductor devices6%
A47JKitchen equipment3%
B01DSeparation3%
B29CShaping or joining of plastics3%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
PatentTitleYear
7,504,682'Polarization transfer device and control method therefor'20097,215,567'Ferroelectric memory device'20077,183,826'High hysteresis width input circuit'20076,671,146'Electrostatic protection circuit and semiconductor integrated circuit using the same'20036,312,228'Recovery pump for recovering floating oil'20016,229,405'Low-voltage oscillation amplifying circuit'20015,954,955'Oil-water recovering and separating apparatus'19995,888,636'Multi-layer blow molded article of polypropylene'19995,871,121'Beer vending machine and method of controlling pressure in a beer barrel'19995,836,737'Stacked-container separating apparatus and method'19985,649,644'Mixing type drink distributor'19975,157,948'Apparatus for winding and conveying knitted fabric for knitting machine'19924,575,743'Double layer ROM integrated circuit'19864,574,900'Drive mechanism for track-type vehicle'19864,558,717'Steering control valve system for crawler vehicle'19854,414,503'Low voltage regulation circuit'19834,216,942'Double-drum winch'19804,185,662'Apparatus for actuating operating valve unit for winch'19803,990,352'Control valve'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1986Patents assigned to KOMATSU MFG CO LTD (5)· patent assignee history
1976–1986Based in Hirakata, JP· patent location history
1983–1986Patents assigned to SUWA SEIKOSHA KK (2)· patent assignee history
1983–1986Based in Suwa, JP· patent location history
1997–1999Patents assigned to FUJI ELECTRIC CO LTD (2)· patent assignee history
1997–1999Based in Mie, JP· patent location history
1999–2001Patents assigned to WORLD CHEM KK (2)· patent assignee history
2001–2009Patents assigned to SEIKO EPSON CORP (5)· patent assignee history
2001–2009Based in Hino, JP· patent location history
2007Based in Himo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOMATSU MFG CO LTD51976–1986
SEIKO EPSON CORP52001–2009
FUJI ELECTRIC CO LTD21997–1999
SUWA SEIKOSHA KK21983–1986
WORLD CHEM KK21999–2001
Locations
LocationPatentsSpan
Hirakata, JP51976–1986
Hino, JP32001–2009
Mie, JP21997–1999
Suwa, JP21983–1986
Himo, JP12007