Inventor

OHGOH TSUYOSHI

JP7 patents

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

FUJIFILM CORP

4 patents

US7301978B2Nov 27, 2007

Semiconductor laser element with optical waveguide layer having increased thickness

FUJIFILM CORP2 citations59

US7295587B2Nov 13, 2007

Semiconductor laser having optical guide layer doped for decreasing resistance

FUJIFILM CORP2 citations59

US7928453B2Apr 19, 2011

Semiconductor light emitting device

FUJIFILM CORP1 citations48

US7366216B2Apr 29, 2008

Semiconductor laser element formed on substrate having tilted crystal orientation

FUJIFILM CORP0 citations48

FUJI PHOTO FILM CO LTD

2 patents

US6856636B2Feb 15, 2005

Semiconductor laser device

FUJI PHOTO FILM CO LTD7 citations72

US6560261B2May 6, 2003

Semiconductor laser device having InGaAs compressive-strain active layer, GaAsP tensile-strain barrier layers, and InGaP optical waveguide layers

FUJI PHOTO FILM CO LTD5 citations61

OHGOH TSUYOSHI

1 patent

US8301399B2Oct 30, 2012

Method for predicting lifetime of photo-semiconductor device and drive apparatus

OHGOH TSUYOSHI2 citations53