Inventor

Junichi Koiso

Inventor

Hachioji, JP

Overview

1976–2008

Patent span

Physics

Primary field (CPC G)

Patents· 19 as inventor

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

G03Gprimary

G03GElectrography79%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%

PatentTitleYear

7,340,195'Image forming apparatus having a scattered toner sucking port'2008 7,079,785'Image developing apparatus to develop a latent image in a developing area on an image bearing member'2006 7,043,172'Image forming apparatus'2006 6,591,075'Cleaning method of toner image carrying body, cleaning device of the toner image carrying body and image forming apparatus equipped therewith'2003 6,580,897'Cleaning device, and image forming method and image forming apparatus using the cleaning device'2003 4,974,031'Toner collecting device'1990 4,819,578'Toner collecting device'1989 4,433,904'Electrophotographic copying machine'1984 4,403,852'Developer recovering device for electrostatic image reproducing system'1983 4,395,114'Toner recovery device'1983 4,375,327'Roller fixing device'1983 4,360,944'Toner transporting device for an electrostatic recording apparatus'1982 4,357,097'Electrostatic recording apparatus having a toner recovering device'1982 4,354,763'Dry-type developing device'1982 4,300,757'Apparatus for receiving recording sheets in upset state for copying machine'1981 4,218,132'Drum cleaning apparatus for electrophotographic copying machine'1980 4,211,484'Drum cleaning blade for image transfer type electrophotographic copying machine'1980 4,165,173'Toner removing means for photosensitive drums for electrophotography'1979 3,988,583'Electrostatic imaging process using X-rays'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2003Patents assigned to KONISHIROKU PHOTO IND (16)· patent assignee history

1976Based in Hino, JP· patent location history

1979–2008Based in Hachioji, JP· patent location history

1989–2003Based in Tokyo, JP· patent location history

2006–2008Patents assigned to KONICA MINOLTA BUSINESS TECH (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KONISHIROKU PHOTO IND	16	1976–2003
KONICA MINOLTA BUSINESS TECH	3	2006–2008

Locations

Location	Patents	Span
Hachioji, JP	14	1979–2008
Tokyo, JP	4	1989–2003
Hino, JP	1	1976