Inventor

Yasushi Otsuka

Inventor
Kanagawa, JP

Overview

9→
Patents
1990–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 9 as inventor

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

H10Wprimary
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1018%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general12%
B66BElevators12%
B23PMetal-working not otherwise provided for6%
C04BLime, magnesia6%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges6%
F21SNon-portable lighting devices6%
G01BMeasuring length, thickness or similar linear dimensions6%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure6%
G01RMeasuring electric variables6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1995Patents assigned to KOITO MFG CO LTD (2)· patent assignee history
1990–1995Based in Shizuoka, JP· patent location history
1995Patents assigned to SHIMIZU CONSTRUCTION CO LTD (1)· patent assignee history
1995Based in Tokyo, JP· patent location history
1999–2004Patents assigned to SONY CORP (3)· patent assignee history
1999–2004Based in Kanagawa, JP· patent location history
2017Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history
2017Based in Chiyoda-ku, JP· patent location history
2021Patents assigned to TOKYO ELECTRON LTD (1)· patent assignee history
2021Based in Amagasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP31999–2004
KOITO MFG CO LTD21990–1995
MITSUBISHI ELECTRIC CORP22017
SHIMIZU CONSTRUCTION CO LTD11995
TOKYO ELECTRON LTD12021
Locations
LocationPatentsSpan
Kanagawa, JP31999–2004
Chiyoda-ku, JP22017
Shizuoka, JP21990–1995
Amagasaki, JP12021
Tokyo, JP11995