Inventor

Yoshiaki Komatsubara

Inventor
Tokyo, JP

Overview

9→
Patents
1985–2021
Patent span
Physics
Primary field (CPC G)

Patents· 9 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 therein31%
B01DSeparation23%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1015%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
G06FElectric digital data processing8%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to TOKYO SHIBAURA ELECTRIC CO (1)· patent assignee history
1985–1986Based in Yokohama, JP· patent location history
1986–2021Patents assigned to TOSHIBA KK (5)· patent assignee history
1990–1997Patents assigned to CHIYODA CHEM ENG CONSTRUCT CO (3)· patent assignee history
1990–1997Based in Tokyo, JP· patent location history
1991Based in Hyogo, JP· patent location history
2001–2003Based in Fukaya, JP· patent location history
2021Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK51986–2021
CHIYODA CHEM ENG CONSTRUCT CO31990–1997
TOKYO SHIBAURA ELECTRIC CO11985
Locations
LocationPatentsSpan
Tokyo, JP31990–1997
Fukaya, JP22001–2003
Yokohama, JP21985–1986
Kawasaki, JP12021
Hyogo, JP11991