Inventor

Tetsuya Gotoh

Inventor
Otsu, JP

Overview

13→
Patents
1989–2021
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.

G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein27%
A61BDiagnosis9%
C07DHeterocyclic compounds9%
C30BSingle-crystal growth9%
B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool5%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables5%
C07CAcyclic or carbocyclic compounds5%
G02BOptical elements, systems or apparatus5%
G03GElectrography5%
G06FElectric digital data processing5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1994Patents assigned to TORAY INDUSTRIES (6)· patent assignee history
1989Patents assigned to KOBE STEEL LTD (1)· patent assignee history
1989–1994Based in Otsu, JP· patent location history
1989Based in Kobe, JP· patent location history
1994Patents assigned to NIPPON TELEGRAPH & TELEPHONE (2)· patent assignee history
2000–2004Patents assigned to RICOH KK (4)· patent assignee history
2000–2002Based in Yokohama, JP· patent location history
2004Based in Kanagawa, JP· patent location history
2021Patents assigned to SHARP KK (2)· patent assignee history
2021Based in Sakai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TORAY INDUSTRIES61989–1994
RICOH KK42000–2004
NIPPON TELEGRAPH & TELEPHONE21994
SHARP KK22021
KOBE STEEL LTD11989
Locations
LocationPatentsSpan
Otsu, JP61989–1994
Yokohama, JP32000–2002
Sakai, JP22021
Kanagawa, JP12004
Kobe, JP11989