Inventor · disambiguated record
Shojiro Kawakami
Also filed as: KAWAKAMI SHOJIRO · NISHIDA SHIGEO
15 granted patents·364 citations·filing 1975–2018
94Inventor score
Top patents by PatentIndex Score
15 records- 0185US6317554B1Self-waveguide optical circuitNEC CORP·Filed 1999·Granted Nov 13, 2001·70 cites·2 claims
- 0279US7136217B2Integrated optical elementKAWAKAMI SHOJIRO·Filed 2003·Granted Nov 14, 2006·26 cites·4 claims
- 0378US7265834B2Polarization analyzerAUTOCLONING TECHNOLOGY LTD·Filed 2003·Granted Sep 4, 2007·20 cites·17 claims
- 0478US6188819B1Wavelength dividing circuitNEC CORP·Filed 1999·Granted Feb 13, 2001·46 cites·15 claims
- 0574US3997241AOptical waveguide transmitting light wave energy in single modeHITACHI LTD·Filed 1975·Granted Dec 14, 1976·31 cites·3 claims
- 0673US5040863AOptical isolatorTOKYO ELECTRICAL CO INC·Filed 1989·Granted Aug 20, 1991·41 cites·10 claims
- 0764US6852203B1Three-dimensional periodical structure, its manufacturing method, and method of manufacturing filmAUTOCLONING TECHNOLOGY LTD·Filed 1998·Granted Feb 8, 2005·28 cites·9 claims
- 0862US7411677B2Driverless ellipsometer and ellipsometryPHOTONIC LATTICE INC·Filed 2004·Granted Aug 12, 2008·11 cites·24 claims
- 0959US4746191AOptical switchSUMITOMO SPEC METALS·Filed 1987·Granted May 24, 1988·23 cites·11 claims
- 1058US8045043B2Optical module and imaging deviceRICOH COMPANY INC·Filed 2006·Granted Oct 25, 2011·2 cites·2 claims
- 1158US4206967AOptical fiberHITACHI CABLE·Filed 1978·Granted Jun 10, 1980·16 cites·6 claims
- 1257US5848203APolarization-independent optical isolatorSUMITOMO OSAKA CEMENT CO LTD·Filed 1996·Granted Dec 8, 1998·29 cites·19 claims
- 1353US6977774B1PolarizerAUTOCLONING TECHNOLOGY LTD·Filed 1999·Granted Dec 20, 2005·21 cites·7 claims
- 1437US11125925B2Optical elementAUTOCLONING TECH LTD·Filed 2017·Granted Sep 21, 2021·0 cites·7 claims
- 1535US11372145B2Optical element and optical circuitAUTOCLONING TECH LTD·Filed 2018·Granted Jun 28, 2022·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →