P

Inventor

ITOH AKIHIRO

JP69 patents
⚠️ This page may combine multiple inventors who share the name “ITOH AKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

15 patents
US6765232B2Jul 20, 2004

Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system

RICOH KK155 citations99
US6674785B2Jan 6, 2004

Vertical-cavity, surface-emission type laser diode and fabrication process thereof

RICOH KK99 citations99
US6975663B2Dec 13, 2005

Surface-emission laser diode operable in the wavelength band of 1.1-7μm and optical telecommunication system using such a laser diode

RICOH KK88 citations97
US7684458B2Mar 23, 2010

Surface-emission laser diode and fabrication process thereof

RICOH KK42 citations96
US7180100B2Feb 20, 2007

Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system

RICOH KK24 citations93
US7067846B2Jun 27, 2006

Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system

RICOH KK22 citations93
US6898406B2May 24, 2005

Developing device having a developer forming a magnet brush

RICOH KK37 citations93
US5403673AApr 4, 1995

Functional thin film member

RICOH KK39 citations93
US7245647B2Jul 17, 2007

Surface-emission laser diode operable in the wavelength band of 1.1-1.7mum and optical telecommunication system using such a laser diode

RICOH KK28 citations92
US6887636B2May 3, 2005

Toner for two-component developer, image forming method and device for developing electrostatic latent image

RICOH KK45 citations92
US7453096B2Nov 18, 2008

Method of fabricating a semiconductor light-emitting device

RICOH KK11 citations84
US7590159B2Sep 15, 2009

Surface-emission laser diode operable in the wavelength band of 1.1-1.7 micrometers and optical telecommunication system using such a laser diode

RICOH KK9 citations83
US7260137B2Aug 21, 2007

Vertical-cavity surface-emission type laser diode and fabrication process thereof

RICOH KK8 citations74
US7022539B2Apr 4, 2006

Vertical-cavity, surface-emission type laser diode and fabrication process thereof

RICOH KK10 citations74
US7519095B2Apr 14, 2009

Vertical-cavity, surface-emission type laser diode and fabrication process thereof

RICOH KK2 citations63

SATO SHUNICHI

6 patents

ITOH AKIHIRO

5 patents

RICOH CO LTD

4 patents

HARASAKA KAZUHIRO

2 patents

BONAC CORP

2 patents

OHGI TADAAKI

2 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

2 patents

KOBAYASHI YOSUKE

2 patents

SHOUJI HIROYOSHI

2 patents

NAGAO NOBUAKI

2 patents

NISSAN MOTOR

1 patent

MAKITA CORP

1 patent

AOKI ERIKO

1 patent

PANASONIC CORP

1 patent

HITACHI LTD

1 patent

MATSUSHITA AKIO

1 patent

Showing the top 50 of 69 patents by PatentIndex Score.