Inventor · disambiguated record
Kazumasa Doi
Also filed as: DOI KAZUMASA
5 granted patents·91 citations·filing 1976–2003
82Inventor score
Top patents by PatentIndex Score
5 records- 0172US6873034B2Solid-state imaging device, method for producing same, and maskSHARP KK·Filed 2003·Granted Mar 29, 2005·25 cites·9 claims
- 0261US4287519AMulti-mode Luneberg lens antennaUS NAVY·Filed 1980·Granted Sep 1, 1981·20 cites·15 claims
- 0357US6372392B1Transparent optical device and fabrication method thereofFUJITSU LTD·Filed 1997·Granted Apr 16, 2002·20 cites·32 claims
- 0455US5527647APhase shift mask and its manufacturing methodFUJITSU LTD·Filed 1994·Granted Jun 18, 1996·13 cites·26 claims
- 0555US4050070AProgrammable microwave modulatorUS NAVY·Filed 1976·Granted Sep 20, 1977·13 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →