Inventor

Hitoshi Hirai

Inventor

Kyoto, JP

Overview

1987–2020

Patent span

Physics

Primary field (CPC G)

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

G01Nprimary

G01NInvestigating or analysing materials by determining their chemical or physical properties24%

H04NPictorial communication, e.g. television12%

Y02ATechnologies for adaptation to climate change12%

Y10TTechnical subjects covered by former us classification12%

B29CShaping or joining of plastics6%

B29LIndexing scheme associated with subclass b29c, relating to particular articles6%

G02BOptical elements, systems or apparatus6%

G06FElectric digital data processing6%

G11CStatic stores6%

H01HElectric switches6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to FUJIKURA LTD (1)· patent assignee history

1987Based in Tokyo, JP· patent location history

1989Patents assigned to SONY CORP (1)· patent assignee history

1989Based in Kanagawa, JP· patent location history

1999–2008Patents assigned to HORIBA LTD (3)· patent assignee history

1999–2001Based in Suwa, JP· patent location history

2001Patents assigned to HORRBA LTD (1)· patent assignee history

2008–2020Based in Kyoto, JP· patent location history

2020Patents assigned to NISSHA CO LTD (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations