Inventor

Hirokatsu Suzuki

Inventor

Kanagawa, JP

Overview

1994–2016

Patent span

Physics

Primary field (CPC G)

Patents· 35 as inventor

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

G03Gprimary

G03GElectrography64%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light7%

B41JTypewriters5%

G06KGraphical data reading5%

A61BDiagnosis2%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors2%

G01NInvestigating or analysing materials by determining their chemical or physical properties2%

H04NPictorial communication, e.g. television2%

H05GX-ray technique2%

H05HPlasma technique2%

PatentTitleYear

9,442,429'Image forming apparatus and method of switching collected developer route in image forming apparatus'2016 9,316,997'Image forming apparatus that selectively recycles developer'2016 9,223,261'Image forming apparatus with fixing unit adapted to fix toner including pressure-induced phase transition toner'2015 9,052,643'Image forming method and image forming apparatus for transforming a toner image into a semi-film'2015 9,042,778'Powder refilling device, process cartridge and image including same, and powder refilling method'2015 9,026,007'Image forming apparatus'2015 8,824,922'Toner container and image forming apparatus'2014 8,441,065'Semiconductor device and manufacturing method of the same'2013 8,433,216'Image forming apparatus'2013 8,422,897'Image forming apparatus'2013 8,385,793'Image forming apparatus preventing gaps between a conveyor belt and transfer sheet'2013 8,126,346'Apparatus and method for fixing an image'2012 7,941,075'Image forming apparatus including a cleaner-less image carrier cleaning system'2011 7,884,840'Image forming method and apparatus for transfer and fixing image with one process'2011 7,835,671'Developing device using two-component developer and image forming apparatus equipped with the developing device'2010 7,796,920'Developing unit and image forming apparatus including the same'2010 7,724,394'Image forming apparatus and image forming method using pseudo half tone processing with different resolutions'2010 7,627,260'Development apparatus, process cartridge, and image forming apparatus'2009 7,620,336'Apparatus and method for fixing an image'2009 7,593,671'Developing device, a developing method, a process cartridge and an image forming apparatus'2009 7,577,387'Developing unit having improved agent recovery and supply system and image forming apparatus using the same'2009 7,212,753'Image forming apparatus and process cartridge'2007 6,978,109'Image forming apparatus'2005 6,757,509'Image forming apparatus'2004 6,686,946'Density unevenness suppressing image forming apparatus and method'2004 6,654,579'Image forming apparatus including diamond-like or amorphous structure containing hydrogen surface protection layer'2003 6,625,409'Image forming apparatus having a diamond-like structure surface protection layer on a photoconductive layer'2003 6,366,751'Image forming apparatus including preselected range between charge injection layer and voltage potential'2002 5,970,280'Image forming apparatus having a developing bias control unit'1999 5,937,228'Image forming apparatus'1999 5,594,768'Laminograph and inspection and repair device using the same'1997 5,501,058'Coil packing line equipped with independently reciprocating carriages'1996 5,454,003'Gas laser oscillator'1995 5,408,490'Gas laser device'1995 5,295,149'Gas laser device'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2013Based in Tokyo, JP· patent location history

1999–2010Patents assigned to RICOH KK (15)· patent assignee history

1999–2012Based in Chiba, JP· patent location history

2004Based in Saitama-shi, JP· patent location history

2009–2016Based in Kanagawa, JP· patent location history

2009–2013Based in Zama, JP· patent location history

2010–2016Patents assigned to RICOH CO LTD (14)· patent assignee history

2012–2016Patents assigned to SUZUKI HIROKATSU (12)· patent assignee history

2013–2016Patents assigned to SAITOH KAZUYA (5)· patent assignee history

2013–2015Patents assigned to ISHIKAKE SATORU (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH KK	15	1999–2010
RICOH CO LTD	14	2010–2016
SUZUKI HIROKATSUself	12	2012–2016
SAITOH KAZUYA	5	2013–2016
ISHIKAKE SATORU	4	2013–2015

Locations

Location	Patents	Span
Kanagawa, JP	12	2009–2016
Chiba, JP	10	1999–2012
Zama, JP	6	2009–2013
Tokyo, JP	5	1994–2013
Saitama-shi, JP	1	2004