Inventor

Masao Miyamoto

Inventor
Tokyo, JP

Overview

15→
Patents
1976–2009
Patent span
Chemistry
Primary field (CPC C)

Patents· 15 as inventor

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

C07Dprimary
C07DHeterocyclic compounds12%
C07CAcyclic or carbocyclic compounds8%
E05DHinges or suspension devices for doors, windows or wings8%
E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof8%
F25DRefrigerators8%
G04GElectronic time-pieces8%
H01JElectric discharge tubes or discharge lamps8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
A01NPreservation of bodies of humans or animals or plants or parts thereof4%
B01DSeparation4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1977Patents assigned to BAYER AG (5)· patent assignee history
1976–1987Based in Tokyo, JP· patent location history
1979–1987Patents assigned to SEIKO INSTR & ELECTRONICS (5)· patent assignee history
1986Patents assigned to ISHIMARU HAJIME (1)· patent assignee history
1990–1991Patents assigned to SHARP KK (2)· patent assignee history
1990–1991Based in Osaka, JP· patent location history
1998Based in Yokkaichi, JP· patent location history
2009Patents assigned to CANON SEMICONDUCTOR EQUIPMENT (1)· patent assignee history
2009Based in Okayama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG51976–1977
SEIKO INSTR & ELECTRONICS51979–1987
SHARP KK21990–1991
CANON SEMICONDUCTOR EQUIPMENT12009
ISHIMARU HAJIME11986
Locations
LocationPatentsSpan
Tokyo, JP111976–1987
Osaka, JP21990–1991
Okayama, JP12009
Yokkaichi, JP11998