Inventor · disambiguated record
Seiichi Miyazawa
Also filed as: MIYAZAWA SEIICHI
17 granted patents·426 citations·filing 1984–2020
95Inventor score
Top patents by PatentIndex Score
17 records- 0196US11340553B2Process cartridge and electrophotographic apparatusCANON KK·Filed 2020·Granted May 24, 2022·18 cites·11 claims
- 0287US6288410B1Semiconductor optical device with tensile-strained quantum well structureCANON KK·Filed 1997·Granted Sep 11, 2001·72 cites·23 claims
- 0386US4794609ASemiconductor laser provided with a plurality of lasers in the form of an arrayCANON KK·Filed 1985·Granted Dec 27, 1988·38 cites·9 claims
- 0485US4932033ASemiconductor laser having a lateral p-n junction utilizing inclined surface and method of manufacturing sameCANON KK·Filed 1988·Granted Jun 5, 1990·37 cites·23 claims
- 0583US5663592ASemiconductor device having diffraction gratingCANON KK·Filed 1995·Granted Sep 2, 1997·61 cites·7 claims
- 0681US4799229ASemiconductor laser arrayCANON KK·Filed 1987·Granted Jan 17, 1989·26 cites·8 claims
- 0781US4794611ASemiconductor laser having superlattice structureCANON KK·Filed 1985·Granted Dec 27, 1988·29 cites·4 claims
- 0875US5946336AOptical semiconductor apparatus, fabrication method thereof, modulation method therefor, light source apparatus and optical communication system or method using the sameCANON KK·Filed 1996·Granted Aug 31, 1999·43 cites·35 claims
- 0972US4971415AMultibeam emitting deviceCANON KK·Filed 1989·Granted Nov 20, 1990·26 cites·6 claims
- 1064US4706254ASemiconductor device and its fabricationCANON KK·Filed 1984·Granted Nov 10, 1987·13 cites·2 claims
- 1160US8334497B2Image sensor comprising a waveguide structure and imaging apparatusTAKUBO YOUSUKE·Filed 2009·Granted Dec 18, 2012·2 cites·10 claims
- 1254US4829534ASemiconductor laser device having a semiconductor region for creating a depletion layer in a laser active layer for controlling current flow therethroughCANON KK·Filed 1985·Granted May 9, 1989·10 cites·3 claims
- 1350US5115443ASemiconductor laser apparatusCANON KK·Filed 1989·Granted May 19, 1992·17 cites·21 claims
- 1449US5881086AOptical semiconductor device with quantum wires, fabrication method thereof, and light source apparatus, and optical communication system using the sameCANON KK·Filed 1996·Granted Mar 9, 1999·14 cites·46 claims
- 1544US4796067ASemiconductor device having a superlattice structureCANON KK·Filed 1986·Granted Jan 3, 1989·9 cites·5 claims
- 1637US5571748AMethods for producing compound semiconductor devicesCANON KK·Filed 1995·Granted Nov 5, 1996·6 cites·7 claims
- 1736US5585306AMethods for producing compound semiconductor devicesCANON KK·Filed 1994·Granted Dec 17, 1996·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →