Inventor · disambiguated record
Shigemitsu Hirayama
Also filed as: HIRAYAMA SHIGEMITSU
2 granted patents·117 citations·filing 1988–1989
69Inventor score
Files withFUJISAWA PHARMACEUTICAL CO2
Top patents by PatentIndex Score
2 records- 0191US5064529AApparatus for testing membrane filtersFUJISAWA PHARMACEUTICAL CO·Filed 1989·Granted Nov 12, 1991·57 cites·3 claims
- 0289US4872974AApparatus for testing membrane filters, and for sterilizing liquids with use of membrane filterFUJISAWA PHARMACEUTICAL CO·Filed 1988·Granted Oct 10, 1989·60 cites·2 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →