Inventor

Shougo Iwai

Inventor

Yamatokoriyama, JP

Overview

16→

Patents

1989–1994

Patent span

Physics

Primary field (CPC G)

Patents· 16 as inventor

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

G03Bprimary

G03BApparatus or arrangements for taking photographs or for projecting or viewing them31%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices24%

G03GElectrography24%

B02CCrushing, pulverising, or disintegrating in general14%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%

Y10TTechnical subjects covered by former us classification3%

PatentTitleYear

5,332,639'Toner for use in electrophotography and its manufacturing process comprising a charge control additive of an oxide coated with a mixture of tin oxide and antimony'1994 5,237,522'Photosensitive sheet remaining amount detection device for image forming apparatus'1993 5,077,574'Image forming apparatus'1991 5,070,360'Copying machine with a slidefilm exposure device'1991 5,003,344'Projection unit for a light permeable original in a copying machine'1991 4,994,851'Photosensitive sheet rewind device for image forming apparatus'1991 4,989,038'Image forming apparatus utilizing a light image memory'1991 4,957,243'Shredder'1990 4,939,535'Method of controlling transport of photoreceptive sheet'1990 4,918,537'Image forming apparatus'1990 4,914,479'Image formation apparatus with cartridge for roll of photosensitive sheet'1990 4,912,510'Image forming apparatus with detachable cartridge'1990 4,907,030'Image formation apparatus with a cartridge for a roll of photosensitive sheet'1990 4,842,205'Shredding machine'1989 4,817,877'Shredding machine'1989 4,815,670'Shredder'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1994Patents assigned to SHARP KK (16)· patent assignee history

1989–1994Based in Yamatokoriyama, JP· patent location history

1989–1991Based in Nara, JP· patent location history

1991Based in Moriyama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHARP KK	16	1989–1994

Locations

Location	Patents	Span
Yamatokoriyama, JP	9	1989–1994
Nara, JP	5	1989–1991
Moriyama, JP	2	1991