P

Inventor

ISHII HIROYUKI

JP381 patents
⚠️ This page may combine multiple inventors who share the name “ISHII HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

17 patents
US7239453B2Jul 3, 2007

Projection optical system and projection exposure apparatus

CANON KK33 citations96
US7092168B2Aug 15, 2006

Projection optical system and projection exposure apparatus

CANON KK36 citations96
US6995918B2Feb 7, 2006

Projection optical system and projection exposure apparatus

CANON KK60 citations96
US6829099B2Dec 7, 2004

Projection optical system and projection exposure apparatus

CANON KK55 citations96
US5927702AJul 27, 1999

Sheet feeder and image forming apparatus using the same

CANON KK109 citations96
US5726740AMar 10, 1998

Projection exposure apparatus having illumination device with ring-like or spot-like light source

CANON KK48 citations96
US5358230AOct 25, 1994

Sheet supplying apparatus

CANON KK90 citations96
US5345292ASep 6, 1994

Illumination device for projection exposure apparatus

CANON KK98 citations96
US6070867AJun 6, 2000

Sheet supplying apparatus

CANON KK81 citations95
US5253854AOct 19, 1993

Sheet feeding apparatus

CANON KK67 citations95
US4924267AMay 8, 1990

Process cartridge and multi-color image forming apparatus using same

CANON KK64 citations94
US6646713B2Nov 11, 2003

Projection exposure apparatus and device manufacturing method

CANON KK21 citations93
US6462875B1Oct 8, 2002

Diffractive optical element

CANON KK21 citations93
US7075726B2Jul 11, 2006

Projection optical system and projection exposure apparatus

CANON KK34 citations92
US5745823AApr 28, 1998

Process cartridge and image forming apparatus usable with this process cartridge

CANON KK17 citations92
US5734949AMar 31, 1998

Process cartridge and image forming apparatus usable with this process cartridge

CANON KK17 citations92
US5884117AMar 16, 1999

Image-forming apparatus with a cover-mounted document-reading unit and a common tray for receiving a recording medium and original document features

CANON KK30 citations91

ISHII HIROYUKI

10 patents

NTT DOCOMO INC

6 patents

SUGATSUNE KOGYO

3 patents

JSR CORP

3 patents

MITSUBISHI ELECTRIC CORP

3 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

NAKAMORI TAKESHI

1 patent

NIPPON TELEGRAPH & TELEPHONE

1 patent

DAIHEN CORP

1 patent

OHBAYASHI CORP

1 patent

NEC CORP

1 patent

SUMITOMO ELECTRIC INDUSTRIES

1 patent

ABE TETSUSHI

1 patent

Showing the top 50 of 381 patents by PatentIndex Score.