P

Inventor

UNO TOMOAKI

JP88 patents
⚠️ This page may combine multiple inventors who share the name “UNO TOMOAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

20 patents
US6406196B1Jun 18, 2002

Optical device and method for producing the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD156 citations98
US6590915B1Jul 8, 2003

Optical apparatus and method for producing the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations96
US6067393AMay 23, 2000

Optical apparatus and method for producing the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations96
US5835650ANov 10, 1998

Optical apparatus and method for producing the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD47 citations96
US5563733AOct 8, 1996

Optical fiber amplifier and optical fiber transmission system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD58 citations96
US6069904AMay 30, 2000

Optical apparatus and method for producing the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations93
US6547451B1Apr 15, 2003

Optical communications module and method for mounting optical communications module

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations92
US6517257B2Feb 11, 2003

Optical transmitter/receiver apparatus, method for fabricating the same and optical semiconductor module

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations92
US6350064B2Feb 26, 2002

Bidirectional optical semiconductor apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations92
US6332719B1Dec 25, 2001

Optical transmitter/receiver apparatus, method for fabricating the same and optical semiconductor module

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations92
US6327407B1Dec 4, 2001

Semiconductor light-receiving device, method of manufacturing the same, bidirectional optical semiconductor device, and optical transmission system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD54 citations92
US6264377B1Jul 24, 2001

Bidirectional optical semiconductor apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations92
US5936763AAug 10, 1999

Optical fiber amplifier, semiconductor laser module for pumping and optical signal communication system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD53 citations92
US5659558AAug 19, 1997

Short-wavelength laser element doped with rare earth ions, optical amplifier doped with rare earth ions, and wavelength converter doped with rare earth ions

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations92
US5598491AJan 28, 1997

Optical fiber amplifier and optical fiber transmission apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations92
US5598294AJan 28, 1997

Optical fiber amplifier and optical fiber communication system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD43 citations92
US5530583AJun 25, 1996

Optical signal amplification apparatus and an optical fiber transmission system using the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92
US5426656AJun 20, 1995

Laser element doped with rare earth ions, optical amplifier element doped with rare earth ions and rare-earth-ion-doped short-wavelength laser light source apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US4755015AJul 5, 1988

Monolithic integrated semiconductor device of semiconductor laser and optical waveguide

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD43 citations92
US5960259ASep 28, 1999

Optical apparatus and method for producing the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations74

RENESAS ELECTRONICS CORP

11 patents

RENESAS TECH CORP

10 patents

UNO TOMOAKI

3 patents

SHIRAISHI MASAKI

2 patents

WESTERN DIGITAL TECH INC

1 patent

HGST Netherlands BV

1 patent

SATO YUKIHIRO

1 patent

KUDO RYOTARO

1 patent

Showing the top 50 of 88 patents by PatentIndex Score.