Inventor

Hiroaki Nagasawa

Inventor
Tokyo, JP

Overview

3→
Patents
1987–2001
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

B23Qprimary
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling17%
F16DCouplings for transmitting rotation17%
F16HGearing17%
H04NPictorial communication, e.g. television17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
Y10TTechnical subjects covered by former us classification17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1992Patents assigned to TSUBAKIMOTO CHAIN CO (2)· patent assignee history
1987Based in Nagaokakyou, JP· patent location history
1992Based in Nagaokakyo, JP· patent location history
2001Patents assigned to SONY CORP (1)· patent assignee history
2001Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TSUBAKIMOTO CHAIN CO21987–1992
SONY CORP12001
Locations
LocationPatentsSpan
Tokyo, JP12001
Nagaokakyo, JP11992
Nagaokakyou, JP11987