Inventor

Shigeru Hirai

Inventor
Yokohama, JP

Overview

13→
Patents
1993–2019
Patent span
Physics
Primary field (CPC G)

Patents· 13 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus26%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein15%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes15%
G07GRegistering the receipt of cash, valuables, or tokens15%
G06FElectric digital data processing11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
G01MTesting static or dynamic balance of machines or structures4%
H04BTransmission4%
H04NPictorial communication, e.g. television4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2004Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (9)· patent assignee history
1993–1997Based in Yokohama, JP· patent location history
1995–2004Based in Kanagawa, JP· patent location history
2016–2019Patents assigned to SEIKO EPSON CORP (4)· patent assignee history
2016Based in Ueda, JP· patent location history
2018–2019Based in Aoki-mura, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO ELECTRIC INDUSTRIES91993–2004
SEIKO EPSON CORP42016–2019
Locations
LocationPatentsSpan
Yokohama, JP61993–1997
Kanagawa, JP31995–2004
Aoki-mura, JP22018–2019
Ueda, JP22016