P

Inventor

MATSUI TOSHIKAZU

US56 patents
⚠️ This page may combine multiple inventors who share the name “MATSUI TOSHIKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITA INDUSTRIAL CO LTD

19 patents
US5305994AApr 26, 1994

Sorter with rotary spirals and guide rails

MITA INDUSTRIAL CO LTD59 citations94
US5290020AMar 1, 1994

Sheet finishing device with calculating means for efficient operation

MITA INDUSTRIAL CO LTD27 citations90
US4286861ASep 1, 1981

Electrostatic copying process and apparatus

MITA INDUSTRIAL CO LTD17 citations82
US4254202AMar 3, 1981

Electrostatic copying process

MITA INDUSTRIAL CO LTD28 citations82
US4045165AAug 30, 1977

Contact heat fixing device

MITA INDUSTRIAL CO LTD21 citations81
US4440488AApr 3, 1984

Cleaning device for an image-carrying member

MITA INDUSTRIAL CO LTD12 citations74
US4540645ASep 10, 1985

Magnetic brush development method

MITA INDUSTRIAL CO LTD18 citations73
US4314018AFeb 2, 1982

Cleaning process for an electrostatic copying apparatus

MITA INDUSTRIAL CO LTD9 citations73
US5201503AApr 13, 1993

Sheet sorter with common supply and discharge rollers

MITA INDUSTRIAL CO LTD7 citations71
US5058874AOct 22, 1991

Automatic document conveying device

MITA INDUSTRIAL CO LTD9 citations71
US4332467AJun 1, 1982

Developing device in electrostatic copying apparatus

MITA INDUSTRIAL CO LTD5 citations63
US4576465AMar 18, 1986

Method and apparatus for adjusting toner concentration of two-component type developer

MITA INDUSTRIAL CO LTD5 citations62
US4686935AAug 18, 1987

Developing device

MITA INDUSTRIAL CO LTD6 citations61
USD310540SSep 11, 1990

Document feeder for a copy machine

MITA INDUSTRIAL CO LTD2 citations60
USD308987SJul 3, 1990

Paper sorter for a copy machine

MITA INDUSTRIAL CO LTD3 citations60
US4430410AFeb 7, 1984

Method and apparatus for developing latent electrostatic images

MITA INDUSTRIAL CO LTD4 citations60
US5114136AMay 19, 1992

Document pusher plate of an image forming equipment

MITA INDUSTRIAL CO LTD2 citations59
US5016868AMay 21, 1991

Automatic document transfer device

MITA INDUSTRIAL CO LTD6 citations59
US4652510AMar 24, 1987

Method for forming negative and positive images in electrophotographic process

MITA INDUSTRIAL CO LTD2 citations58

RENESAS ELECTRONICS CORP

10 patents

RENESAS TECH CORP

7 patents

TOSHIBA KK

5 patents

KAWASHIMA YOSHIYUKI

2 patents

HITACHI LTD

1 patent

HAMAMATSU PHOTONICS KK

1 patent

HOTTA KATSUHIKO

1 patent

MATSUMOTO SHOJI

1 patent

TOKYO SHIBAURA ELECTRIC CO

1 patent

TOBA KOICHI

1 patent

SAKAI TAKESHI

1 patent

Showing the top 50 of 56 patents by PatentIndex Score.