Inventor

Yoshikazu Naito

Inventor

Yokohama, JP

Overview

21→

Patents

1983–2009

Patent span

Physics

Primary field (CPC G)

Patents· 21 as inventor

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

G03Gprimary

G03GElectrography36%

H04NPictorial communication, e.g. television29%

A61KPreparations for medical, dental or toiletry purposes11%

G06TImage data processing or generation, in general7%

H01JElectric discharge tubes or discharge lamps7%

B29BPreparation or pretreatment of the material to be shaped4%

G06FElectric digital data processing4%

H05BElectric heating4%

PatentTitleYear

7,602,998'Image signal processing apparatus'2009 6,771,832'Image processor for processing an image with an error diffusion process and image processing method for processing an image with an error diffusion process'2004 6,661,991'Induction heating and fixing device for fixing toner on a recording medium in an image forming apparatus'2003 6,487,377'Recycle information system and image forming apparatus for recycling'2002 6,432,439'O/W emulsion composition'2002 6,132,751'O/W emulsion composition for eye drops'2000 6,002,811'Image scaling processing device and image scaling processing method'1999 5,693,337'Stable lipid emulsion'1997 5,546,404'Input/output port fault diagnosing device'1996 5,495,340'Image reading apparatus having color correction according to tempeature change improved'1996 5,453,773'Electrophotographic image forming apparatus comprising means for automatically adjusting image reproduction density'1995 5,305,057'Image forming apparatus having correction means for modifying image density signals according to a gradation correction table'1994 5,296,895'Image forming apparatus with toner detection'1994 5,212,560'Electrophotographic image forming apparatus comprising means for automatically adjusting image reproduction density'1993 5,124,750'Toner density detecting method, and image forming method and apparatus employing the toner density detecting method'1992 5,081,527'Digital image forming apparatus'1992 4,982,232'Exposure control system of image forming apparatus'1991 4,879,576'Exposure control device and method'1989 4,821,107'Multi-functional imaging apparatus'1989 4,433,318'Deflection yoke for a picture tube of a projection color television receiver set'1984 4,420,734'Deflecting yoke for use in picture tube of projection color television receiver set'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1984Patents assigned to HITACHI LTD (2)· patent assignee history

1983–2009Based in Yokohama, JP· patent location history

1989–1996Patents assigned to MINOLTA CAMERA KK (11)· patent assignee history

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

1992–1995Based in Gamagori, JP· patent location history

1994–2002Based in Toyokawa, JP· patent location history

1997–2002Patents assigned to WAKAMOTO PHARMA CO LTD (3)· patent assignee history

1997–2000Based in Tokyo, JP· patent location history

1999Patents assigned to MATSUSHITA GRAPHIC COMMUNIC (1)· patent assignee history

2002–2003Patents assigned to MINOLTA CO LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MINOLTA CAMERA KK	11	1989–1996
WAKAMOTO PHARMA CO LTD	3	1997–2002
HITACHI LTD	2	1983–1984
MINOLTA CO LTD	2	2002–2003
MATSUSHITA GRAPHIC COMMUNIC	1	1999

Locations

Location	Patents	Span
Yokohama, JP	5	1983–2009
Osaka, JP	5	1989–2003
Toyokawa, JP	4	1994–2002
Gamagori, JP	4	1992–1995
Tokyo, JP	2	1997–2000