Inventor · disambiguated record
Hatsuo Takezawa
Also filed as: TAKEZAWA HATSUO
5 granted patents·7 pending applications·131 citations·filing 1983–2011
82Inventor score
Top patents by PatentIndex Score
12 records- 0192US7291866B2Semiconductor light emitting device and semiconductor light emitting unitTOSHIBA KK·Filed 2005·Granted Nov 6, 2007·31 cites·20 claims
- 0283US7884544B2Semiconductor light emitting device having mixed light emissionTOSHIBA KK·Filed 2005·Granted Feb 8, 2011·12 cites·22 claims
- 0375US4625333ADuplex optical communication deviceTOKYO SHIBAURA ELECTRIC CO·Filed 1985·Granted Nov 25, 1986·63 cites·10 claims
- 0466US7378647B2Lens-equipped light-emitting diode device having an integrally molded lens unit being laminated on a sealing portionTOSHIBA KK·Filed 2006·Granted May 27, 2008·4 cites·18 claims
- 0561US4695858ADuplex optical communication module unitTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Sep 22, 1987·21 cites·19 claims
- 0645US2008303044A1Semiconductor light-emitting deviceTOSHIBA KK·Filed 2008·Application pending·0 cites
- 0745US2008297047A1Semiconductor light-emitting deviceTOSHIBA KK·Filed 2008·Application pending·0 cites
- 0843US2006076569A1Semiconductor light emitting deviceTOSHIBA KK·Filed 2005·Application pending·0 cites
- 0940US2007090381A1Semiconductor light emitting deviceTOSHIBA KK·Filed 2006·Application pending·0 cites
- 1040US2006157722A1Semiconductor light emitting deviceTOSHIBA KK·Filed 2005·Application pending·0 cites
- 1139US2007057618A1Semiconductor Light Emitting DeviceOTSUKA KAZUAKI·Filed 2006·Application pending·0 cites
- 1234US2012146074A1Optical deviceARIIZUMI YOSHIO·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →