P

Inventor

OGAWA MASAHIKO

JP108 patents
⚠️ This page may combine multiple inventors who share the name “OGAWA MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

26 patents
US6290334B1Sep 18, 2001

Recording apparatus, recording head and substrate therefor

CANON KK181 citations99
US6390589B1May 21, 2002

Head substrate, ink jet head, and ink jet printer

CANON KK90 citations98
US6474789B1Nov 5, 2002

Recording apparatus, recording head and substrate therefor

CANON KK46 citations96
US4350418ASep 21, 1982

Camera provided with automatic focus adjusting device

CANON KK75 citations96
US4315159AFeb 9, 1982

Optical sensor device with reduction of ambient light effects

CANON KK63 citations96
US6948789B2Sep 27, 2005

Head substrate having data memory, printing head, printing apparatus and producing method therefor

CANON KK16 citations93
US6834943B2Dec 28, 2004

Liquid discharge head, a substrate for use of such head and a method of manufacture therefor

CANON KK17 citations93
US6769762B2Aug 3, 2004

Ink jet head substrate, an ink jet head, an ink jet apparatus, and a method for manufacturing an ink jet recording head

CANON KK30 citations93
US6663228B2Dec 16, 2003

Ink-jet head base board, ink-jet head, and ink-jet apparatus

CANON KK20 citations93
US6540336B2Apr 1, 2003

Liquid discharge head, method for manufacturing such head, head cartridge and liquid discharging apparatus

CANON KK21 citations93
US6527813B1Mar 4, 2003

Ink jet head substrate, an ink jet head, an ink jet apparatus, and a method for manufacturing an ink jet recording head

CANON KK23 citations93
US6485131B1Nov 26, 2002

Ink-jet head base board, ink-jet head, and ink-jet apparatus

CANON KK21 citations93
US6485132B1Nov 26, 2002

Liquid discharge head, recording apparatus, and method for manufacturing liquid discharge heads

CANON KK33 citations93
US6374482B1Apr 23, 2002

Method of manufacturing a liquid discharge head

CANON KK42 citations93
US6357862B1Mar 19, 2002

Substrate for ink jet recording head, ink jet recording head and method of manufacture therefor

CANON KK28 citations93
US6331259B1Dec 18, 2001

Method for manufacturing ink jet recording heads

CANON KK30 citations93
US6301431B1Oct 9, 2001

Reproducing apparatus

CANON KK20 citations93
US6293655B1Sep 25, 2001

Liquid ejecting head, head cartridge and liquid ejecting apparatus

CANON KK54 citations93
US6224184B1May 1, 2001

Printhead compatible with various printers and ink-jet printer using the printhead

CANON KK38 citations93
US6196667B1Mar 6, 2001

Liquid discharging head, method of manufacturing the liquid discharging head, head cartridge carrying the liquid discharging head thereon and liquid discharging apparatus

CANON KK21 citations93
US6095640AAug 1, 2000

Liquid discharge head, liquid discharge method, head cartridge and liquid discharge device

CANON KK32 citations93
US5790140AAug 4, 1998

Printing head, and printer and printing method using the printing head

CANON KK32 citations92
US4274735AJun 23, 1981

Distance measuring device

CANON KK56 citations92
US7029081B1Apr 18, 2006

Head substrate having data memory, printing head, printing apparatus and producing method therefor

CANON KK13 citations84
US6491380B2Dec 10, 2002

Liquid discharging head with common ink chamber positioned over a movable member

CANON KK15 citations84
US5956460ASep 21, 1999

Reproducing apparatus

CANON KK16 citations82

SHINETSU CHEMICAL CO

6 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

5 patents

KAO CORP

4 patents

SEIKO EPSON CORP

3 patents

FUJINUMA HIROYUKI

3 patents

MEIKI SEISAKUSHO KK

2 patents

HITACHI LTD

1 patent

Showing the top 50 of 108 patents by PatentIndex Score.