Inventor · disambiguated record
Shigeyuki Fujinaga
Also filed as: FUJINAGA SHIGEYUKI
3 granted patents·79 citations·filing 2000–2023
62Inventor score
Technology areasF16J
Top patents by PatentIndex Score
3 records- 0193US6357753B1Cartridge-type mechanical sealNIPPON PILLAR PACKING·Filed 2000·Granted Mar 19, 2002·79 cites·10 claims
- 0255US12435792B2Mechanical seal devicePILLAR CORP·Filed 2023·Granted Oct 7, 2025·0 cites·6 claims
- 0349US12416360B2Mechanical seal devicePILLAR CORP·Filed 2023·Granted Sep 16, 2025·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Shigeyuki Fujinaga files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →