Inventor · disambiguated record
Yasuji Ohtsuka
Also filed as: OHTSUKA YASUJI
3 granted patents·124 citations·filing 1973–1989
75Inventor score
Top patents by PatentIndex Score
3 records- 0192US3955015AMethod of manufacturing a transparent light conducting element of synthetic resin having refractive index gradientNIPPON SELFOC CO LTD·Filed 1973·Granted May 4, 1976·77 cites·16 claims
- 0273US4521351AProcess for producing light-transmitting element of synthetic resinNIPPON SHEET GLASS CO LTD·Filed 1983·Granted Jun 4, 1985·24 cites·2 claims
- 0371US5122600ADNA-immobilized microspheres and a process for purifying a DNA-transcription-controlling factor using the sameNIPPON ZEON CO·Filed 1989·Granted Jun 16, 1992·23 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →