Inventor

Masato Asanuma

Inventor

Nara, JP

Overview

1989–2008

Patent span

Physics

Primary field (CPC G)

Patents· 17 as inventor

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

G03Gprimary

G03GElectrography81%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%

H05GX-ray technique5%

PatentTitleYear

7,352,977'Toner level detection method and image forming apparatus employing such toner level detection method'2008 6,512,896'Image forming apparatus with detachable mounting process cartridge'2003 6,226,490'Toner replenishing apparatus and image forming apparatus equipped with same'2001 6,157,807'Cleaning device with electrically biased conveying members for collecting, separating and reusing developer'2000 6,070,035'Image forming apparatus having developer supply device'2000 5,923,922'Image forming apparatus with flying toner detecting device'1999 5,842,089'Development apparatus for developing electrostatic latent image held by holder by using nonmagnetic one component developer'1998 5,839,018'Toner density control for an image forming apparatus'1998 5,310,423'Developing unit having capability of efficiently exchanging developing powder'1994 5,243,389'Toner hopper having stirring and feeding rollers'1993 5,216,470'Method of determining the density of toner'1993 5,009,187'Developing device with shutter'1991 4,982,691'Developing device for electrophotographic apparatus having magnet rollers'1991 4,955,316'Developing device'1990 4,914,481'Developing apparatus'1990 4,891,675'Developer density detection device'1990 4,851,879'Transfer device in electrophotographic copying machine'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2008Patents assigned to SHARP KK (17)· patent assignee history

1989–1990Based in Yamatokoriyama, JP· patent location history

1990–2008Based in Nara, JP· patent location history

1993–1994Based in Ikoma, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHARP KK	17	1989–2008

Locations

Location	Patents	Span
Nara, JP	13	1990–2008
Ikoma, JP	2	1993–1994
Yamatokoriyama, JP	2	1989–1990