Inventor · disambiguated record
Keizo Takemasa
Also filed as: TAKEMASA KEIZO
6 granted patents·1 pending application·1 citations·filing 2001–2023
65Inventor score
Top patents by PatentIndex Score
7 records- 0165US12360405B2Optical semiconductor deviceDENSO CORP·Filed 2022·Granted Jul 15, 2025·0 cites·17 claims
- 0260US12149053B2Semiconductor deviceDENSO CORP·Filed 2023·Granted Nov 19, 2024·0 cites·6 claims
- 0358US11764546B2Semiconductor laser deviceDENSO CORP·Filed 2021·Granted Sep 19, 2023·0 cites·11 claims
- 0443US6387746B2Method of fabricating semiconductor laser diodeOKI ELECTRIC IND CO LTD·Filed 2001·Granted May 14, 2002·1 cites·11 claims
- 0541US9865771B2Semiconductor light-emitting elementQD LASER INC·Filed 2015·Granted Jan 9, 2018·0 cites·18 claims
- 0633US2003231674A1Laser diodeFiled 2003·Application pending·0 cites
- 0727US8277131B2Semiconductor optical communication module and manufacturing method thereofKUBOTA MUNECHIKA·Filed 2010·Granted Oct 2, 2012·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →