P

Inventor

MIYAZAWA SEIICHI

JP17 patents
⚠️ This page may combine multiple inventors who share the name “MIYAZAWA SEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

16 patents
US6288410B1Sep 11, 2001

Semiconductor optical device with tensile-strained quantum well structure

CANON KK72 citations96
US5663592ASep 2, 1997

Semiconductor device having diffraction grating

CANON KK61 citations95
US5946336AAug 31, 1999

Optical semiconductor apparatus, fabrication method thereof, modulation method therefor, light source apparatus and optical communication system or method using the same

CANON KK43 citations92
US4971415ANov 20, 1990

Multibeam emitting device

CANON KK26 citations92
US4799229AJan 17, 1989

Semiconductor laser array

CANON KK26 citations92
US4794609ADec 27, 1988

Semiconductor laser provided with a plurality of lasers in the form of an array

CANON KK38 citations92
US4794611ADec 27, 1988

Semiconductor laser having superlattice structure

CANON KK29 citations92
US4932033AJun 5, 1990

Semiconductor laser having a lateral p-n junction utilizing inclined surface and method of manufacturing same

CANON KK37 citations91
US11340553B2May 24, 2022

Process cartridge and electrophotographic apparatus

CANON KK18 citations83
US4829534AMay 9, 1989

Semiconductor laser device having a semiconductor region for creating a depletion layer in a laser active layer for controlling current flow therethrough

CANON KK10 citations74
US4796067AJan 3, 1989

Semiconductor device having a superlattice structure

CANON KK9 citations74
US5881086AMar 9, 1999

Optical semiconductor device with quantum wires, fabrication method thereof, and light source apparatus, and optical communication system using the same

CANON KK14 citations73
US5115443AMay 19, 1992

Semiconductor laser apparatus

CANON KK17 citations73
US4706254ANov 10, 1987

Semiconductor device and its fabrication

CANON KK13 citations73
US5571748ANov 5, 1996

Methods for producing compound semiconductor devices

CANON KK6 citations63
US5585306ADec 17, 1996

Methods for producing compound semiconductor devices

CANON KK5 citations62

TAKUBO YOUSUKE

1 patent