Inventor · disambiguated record
Hiroki Tonai
Also filed as: TONAI HIROKI
3 granted patents·23 citations·filing 2000–2002
66Inventor score
Technology areasC04B
Files withTOSHIBA KK3
Top patents by PatentIndex Score
3 records- 0177US6784131B2Silicon nitride wear resistant member and method of manufacturing the memberTOSHIBA KK·Filed 2002·Granted Aug 31, 2004·17 cites·18 claims
- 0259US6485830B1Material for ceramic ball and method of manufacturing ceramic ballTOSHIBA KK·Filed 2000·Granted Nov 26, 2002·5 cites·17 claims
- 0348US6475940B2Wear resistant member for electronic equipment and bearing and spindle motor therewithTOSHIBA KK·Filed 2001·Granted Nov 5, 2002·1 cites·12 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →