Inventor

Tetsuma Sakurai

Inventor
Hachioji, JP

Overview

7→
Patents
1983–2021
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

G03Gprimary
G03GElectrography18%
H10DInorganic electric semiconductor devices18%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1018%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables9%
G05BControl or regulating systems in general9%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes9%
G10LSpeech analysis techniques or speech synthesis9%
Y02PClimate change mitigation technologies in the production or processing of goods9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1998Patents assigned to NIPPON TELEGRAPH & TELEPHONE (5)· patent assignee history
1983Patents assigned to HITACHI LTD (1)· patent assignee history
1983Based in Hachioji, JP· patent location history
1995–1998Based in Tokyo, JP· patent location history
2021Patents assigned to ASHIKAGAYA ATSUSHI (1)· patent assignee history
2021Patents assigned to CANON KK (1)· patent assignee history
2021Patents assigned to GOTOH Shigeaki (1)· patent assignee history
2021Based in Toride, JP· patent location history
2021Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON TELEGRAPH & TELEPHONE51983–1998
ASHIKAGAYA ATSUSHI12021
CANON KK12021
GOTOH Shigeaki12021
HITACHI LTD11983
Locations
LocationPatentsSpan
Hachioji, JP31983
Tokyo, JP21995–1998
Toride, JP12021
Kanagawa, JP12021