Inventor · disambiguated record
Shigeya Sakaguchi
Also filed as: SAKAGUCHI SHIGEYA
6 granted patents·1 pending application·88 citations·filing 1978–2005
84Inventor score
Files withNIPPON TUNGSTEN7
Top patents by PatentIndex Score
7 records- 0175US4280841AMethod for manufacturing a mechanical seal ringNIPPON TUNGSTEN·Filed 1978·Granted Jul 28, 1981·19 cites·7 claims
- 0271US7518137B2Shield materialNIPPON TUNGSTEN·Filed 2003·Granted Apr 14, 2009·8 cites·11 claims
- 0362US5545248ATitanium-base hard sintered alloyNIPPON TUNGSTEN·Filed 1995·Granted Aug 13, 1996·21 cites·3 claims
- 0459US6279443B1Die cut rollNIPPON TUNGSTEN·Filed 1998·Granted Aug 28, 2001·23 cites·25 claims
- 0559US4478871AMethod for hardfacing a ferrous base materialNIPPON TUNGSTEN·Filed 1983·Granted Oct 23, 1984·14 cites·11 claims
- 0649US6551954B1WC-base composite ceramic sintered compactNIPPON TUNGSTEN·Filed 2000·Granted Apr 22, 2003·3 cites·5 claims
- 0738US2007172378A1Tungsten based sintered compact and method for production thereofNIPPON TUNGSTEN·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →