Inventor

Masaru Hibino

Inventor

Minami-ashigara, JP

Overview

1976–2006

Patent span

Physics

Primary field (CPC G)

Patents· 26 as inventor

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

G03Gprimary

G03GElectrography77%

B82YSpecific uses or applications of nanostructures3%

F01MLubricating of machines or engines in general3%

F02BInternal-combustion piston engines3%

F02FCylinders, pistons or casings, for combustion engines3%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof3%

F16HGearing3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

7,099,609'Developing device'2006 7,079,795'Image forming apparatus'2006 6,975,825'Developing apparatus including first and second magnets with poles arranged to supply developer without contamination'2005 6,973,281'Developing apparatus with two developing chamber-rotatable member pairs'2005 6,925,269'Developing apparatus'2005 6,704,534'Developing device having minimum magnetic field strength adjacent regulating member'2004 6,684,046'Image forming apparatus, image forming method and developing apparatus'2004 6,539,192'Developing device with developing mark reduction feature and cartridge using same'2003 6,473,584'Developing apparatus having carrying capability of screw lowered on developing sleeve side'2002 6,449,442'Developing apparatus employing permeability sensor to detect polymer toner density'2002 6,389,245'Developing device and image forming apparatus'2002 6,345,162'Image forming apparatus'2002 6,332,063'Image forming apparatus with residual toner detection and collection features'2001 6,304,738'Image forming apparatus wherein toner in a developing device toner and toner on an image bearing member satisfy a prescribed weight average diameter relationship'2001 6,295,432'Image forming apparatus having an injection charging system and a two component contact development device'2001 6,294,305'Image forming method and image forming apparatus'2001 6,219,514'Image forming apparatus and positioning of magnetic field generating devices within the same apparatus'2001 6,104,892'Developing device and image forming apparatus'2000 6,049,687'Developing apparatus'2000 5,870,656'Image forming apparatus for effecting development and cleaning by using magnet brush'1999 5,576,812'Developing method with carrier chains contacted to image bearing member'1996 5,459,559'Magnetic brush developing method using a two-component developer'1995 5,438,394'Image forming apparatus usable with a carrier having magnetization controlled in relation to recording density'1995 4,825,825'Oil pan arrangement for horizontally mounted engine'1989 4,142,491'Exhaust gas recirculation apparatus for an internal combustion engine'1979 3,960,026'Timing chain tensioner'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1989Patents assigned to TOYOTA MOTOR CO LTD (3)· patent assignee history

1979–1989Based in Okazaki, JP· patent location history

1995–2006Patents assigned to CANON KK (23)· patent assignee history

1995–1996Based in Kawasaki, JP· patent location history

1999–2002Based in Minami-ashigara, JP· patent location history

2003–2004Based in Ibaraki, JP· patent location history

2005–2006Based in Ushiku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	23	1995–2006
TOYOTA MOTOR CO LTD	3	1976–1989

Locations

Location	Patents	Span
Minami-ashigara, JP	12	1999–2002
Ushiku, JP	5	2005–2006
Ibaraki, JP	3	2003–2004
Kawasaki, JP	3	1995–1996
Okazaki, JP	2	1979–1989