Inventor

Kunikazu Oonishi

Inventor

Tokyo, JP

Overview

2→

Patents

1994–2019

Patent span

Physics

Primary field (CPC G)

Patents· 2 as inventor

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

B60Kprimary

B60KArrangement or mounting of propulsion units or of transmissions in vehicles17%

G02BOptical elements, systems or apparatus17%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein17%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them17%

G11BInformation storage based on relative movement between record carrier and transducer17%

H04NPictorial communication, e.g. television17%

PatentTitleYear

10,401,631Image display device2019 5,295,125'Optical head device for recording/reproduction for recording medium using plural light spots'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to HITACHI LTD (1)· patent assignee history

1994Based in Chigasaki, JP· patent location history

2019Patents assigned to HITACHI LG DATA STORAGE INC (1)· patent assignee history

2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LG DATA STORAGE INC	1	2019
HITACHI LTD	1	1994

Locations

Location	Patents	Span
Tokyo, JP	1	2019
Chigasaki, JP	1	1994