Inventor

Yuichiro Higashi

Inventor

Tokyo, JP

Overview

1979–2007

Patent span

Physics

Primary field (CPC G)

Patents· 14 as inventor

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

G03Gprimary

G03GElectrography93%

G02BOptical elements, systems or apparatus7%

PatentTitleYear

7,239,837'Fixing apparatus'2007 6,763,218'Fixing apparatus'2004 6,333,490'Toner image fixing apparatus capable of keeping constant fixing roller temperature'2001 6,282,398'Fixing apparatus'2001 6,272,309'Fixing apparatus'2001 6,181,891'Toner image fixing apparatus capable of keeping constant fixing roller temperature'2001 RE036962'Fixing device for electrophotographic apparatus'2000 6,137,984'Toner image fixing apparatus'2000 6,134,400'Toner image fixing apparatus having standby mode temperature control device'2000 5,465,146'Fixing device for electrophotographic apparatus'1995 4,475,804'Fixing apparatus for copying machine or the like'1984 4,329,565'Image fixing device'1982 4,284,875'Heat roller fixing apparatus'1981 4,172,976'Heat roller fixing apparatus'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1984Patents assigned to RICOH KK (3)· patent assignee history

1979–1984Based in Kawasaki, JP· patent location history

1981Patents assigned to RICHO COMPANY LTD (1)· patent assignee history

1995–2007Patents assigned to NITTO KOGYO KK (10)· patent assignee history

1995–2004Based in Tokyo, JP· patent location history

2001Based in Minato-ku, JP· patent location history

2007Based in Kagoshima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NITTO KOGYO KK	10	1995–2007
RICOH KK	3	1979–1984
RICHO COMPANY LTD	1	1981

Locations

Location	Patents	Span
Tokyo, JP	8	1995–2004
Kawasaki, JP	4	1979–1984
Kagoshima, JP	1	2007
Minato-ku, JP	1	2001