Inventor

Yasuo Iizuka

Inventor

Yokohama, JP

Overview

7→

Patents

1987–1995

Patent span

Electricity

Primary field (CPC H)

Patents· 7 as inventor

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

H10Fprimary

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation40%

B22DCasting of metals20%

F02BInternal-combustion piston engines10%

F02FCylinders, pistons or casings, for combustion engines10%

F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines10%

G02BOptical elements, systems or apparatus10%

PatentTitleYear

5,433,263'Casting ejector'1995 5,309,975'Differential pressure casting process'1994 5,250,798'Solid state image sensor device with microlenses'1993 5,172,206'Solid state image pickup device with mirrors'1992 5,028,547'Manufacture of a color image sensor'1991 4,951,130'Color filter structure of color image sensor'1990 4,715,178'Exhaust port assembly'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1995Patents assigned to HITACHI METALS LTD (3)· patent assignee history

1987–1995Based in Saitama, JP· patent location history

1990–1993Patents assigned to TOSHIBA KK (4)· patent assignee history

1990–1993Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOSHIBA KK	4	1990–1993
HITACHI METALS LTD	3	1987–1995

Locations

Location	Patents	Span
Yokohama, JP	4	1990–1993
Saitama, JP	3	1987–1995