Inventor

Yasuji Yamazaki

Inventor

Chiba, JP

Overview

3→

Patents

1993–2021

Patent span

Physics

Primary field (CPC G)

Patents· 3 as inventor

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

C08Kprimary

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients14%

C08LCompositions of macromolecular compounds14%

G02BOptical elements, systems or apparatus14%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein14%

G09GArrangements or circuits for control of indicating devices using static means to present variable information14%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light14%

H04NPictorial communication, e.g. television14%

PatentTitleYear

11,034,834Polycarbonate resin composition and molded article of same2021 5,973,661'Image display device which staggers the serial input data onto multiple drive lines and extends the time per data point'1999 5,179,566'Light-generating device and method of fabricating same'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1999Patents assigned to SEIKO EPSON CORP (2)· patent assignee history

1993Based in Nagano, JP· patent location history

1999Based in Suwa, JP· patent location history

2021Patents assigned to IDEMITSU KOSAN CO (1)· patent assignee history

2021Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEIKO EPSON CORP	2	1993–1999
IDEMITSU KOSAN CO	1	2021

Locations

Location	Patents	Span
Chiba, JP	1	2021
Suwa, JP	1	1999
Nagano, JP	1	1993