Inventor · disambiguated record
Hiroyasu Ohta
Also filed as: OHTA HIROYASU
4 granted patents·99 citations·filing 1982–2000
79Inventor score
Top patents by PatentIndex Score
4 records- 0192US4407971ASintered body of silicon nitride-based ceramicsTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Oct 4, 1983·63 cites·10 claims
- 0259US4902653ASilicon nitride ceramic articleTOSHIBA KK·Filed 1988·Granted Feb 20, 1990·15 cites·1 claims
- 0358US6558821B1Ceramic sinter, and wear resistant member and electronic component member using thereofTOSHIBA KK·Filed 2000·Granted May 6, 2003·10 cites·9 claims
- 0445US4539298AHighly heat-conductive ceramic materialTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Sep 3, 1985·11 cites·7 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →