Inventor · disambiguated record
Masatake Kawashima
Also filed as: KAWASHIMA MASATAKE
3 granted patents·32 citations·filing 1997–1999
70Inventor score
Top patents by PatentIndex Score
3 records- 0157US5868821AThermally reversible color forming composition and thermally reversible recording medium using the thermally reversible color forming compositionRICOH KK·Filed 1997·Granted Feb 9, 1999·12 cites·11 claims
- 0243US6137027ASolid waste treatment agent and treatment method of solid wasteMIYOSHI YUSHI KK·Filed 1999·Granted Oct 24, 2000·12 cites·14 claims
- 0337US6490984B1Method of making flue gas harmlessMIYOSHI YUSHI KK·Filed 1998·Granted Dec 10, 2002·8 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when Masatake Kawashima 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 →