Inventor · disambiguated record
Kazutoshi Nakajima
Also filed as: NAKAJIMA KAZUTOSHI
17 granted patents·7 pending applications·85 citations·filing 1989–2023
91Inventor score
Top patents by PatentIndex Score
24 records- 0196US7816866B2Photocathode comprising a plurality of openings on an electron emission layerHAMAMATSU PHOTONICS KK·Filed 2006·Granted Oct 19, 2010·47 cites·14 claims
- 0275US8093560B2Photoconductive antenna elementKUROYANAGI KAZUYOSHI·Filed 2008·Granted Jan 10, 2012·9 cites·7 claims
- 0367US7787735B2Waveguide structure and optical deviceHAMAMATSU PHOTONICS KK·Filed 2007·Granted Aug 31, 2010·4 cites·14 claims
- 0466US8853809B2Optical element and photodetectorHAMAMATSU PHOTONICS KK·Filed 2013·Granted Oct 7, 2014·2 cites·24 claims
- 0560US2024194816A1Method of manufacturing optical detection element and optical detection elementHAMAMATSU PHOTONICS KK·Filed 2023·Application pending·0 cites
- 0659US2024105870A1Photodetection element and method for manufacturing photodetection elementHAMAMATSU PHOTONICS KK·Filed 2023·Application pending·0 cites
- 0758US2014319637A1PhotodetectorHAMAMATSU PHOTONICS KK·Filed 2014·Application pending·0 cites
- 0857US2015097156A1PhotodetectorHAMAMATSU PHOTONICS KK·Filed 2013·Application pending·0 cites
- 0957US2015053922A1PhotodetectorHAMAMATSU PHOTONICS KK·Filed 2013·Application pending·0 cites
- 1056US8294106B2Terahertz antenna moduleNAKAJIMA KAZUTOSHI·Filed 2008·Granted Oct 23, 2012·4 cites·7 claims
- 1152US7214971B2Semiconductor light-receiving deviceHAMAMATSU PHOTONICS KK·Filed 2004·Granted May 8, 2007·4 cites·9 claims
- 1251US2008121928A1Semiconductor photocathodeHAMAMATSU PHOTONICS KK·Filed 2007·Application pending·0 cites
- 1350US9368661B2PhotodetectorHAMAMATSU PHOTONICS KK·Filed 2013·Granted Jun 14, 2016·0 cites·7 claims
- 1449US10686094B2Photodetection elementHAMAMATSU PHOTONICS KK·Filed 2018·Granted Jun 16, 2020·0 cites·6 claims
- 1549US7259439B2Semiconductor photodetector and its production methodHAMAMATSU PHOTONICS KK·Filed 2002·Granted Aug 21, 2007·3 cites·4 claims
- 1647US10784393B2Photodetection element having a periodic nano-concave/convex structureHAMAMATSU PHOTONICS KK·Filed 2018·Granted Sep 22, 2020·0 cites·18 claims
- 1745US2008121909A1Semiconductor deviceHAMAMATSU PHOTONICS KK·Filed 2007·Application pending·0 cites
- 1838US7217932B2UV sensorHAMAMATSU PHOTONICS KK·Filed 2003·Granted May 15, 2007·0 cites·4 claims
- 1938US5020064AElectromagnetic wave deviceHAMAMATSU PHOTONICS KK·Filed 1989·Granted May 28, 1991·4 cites·11 claims
- 2036US7094664B2Method for fabricating semiconductor photodetectorHAMAMATSU PHOTONICS KK·Filed 2001·Granted Aug 22, 2006·0 cites·3 claims
- 2136US5051573AOptical logic operation systemHAMAMATSU PHOTONICS KK·Filed 1989·Granted Sep 24, 1991·3 cites·6 claims
- 2231US5068815AOptical full adderHAMAMATSU PHOTONICS KK·Filed 1990·Granted Nov 26, 1991·3 cites·8 claims
- 2330US5109358AOptical flip-flop circuitHAMAMATSU PHOTONICS KK·Filed 1989·Granted Apr 28, 1992·1 cites·8 claims
- 2430US5034921AHigh speed optical memory circuitHAMAMATSU PHOTONICS KK·Filed 1989·Granted Jul 23, 1991·1 cites·5 claims
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