Inventor · disambiguated record
Shigechika Tomisawa
Also filed as: TOMISAWA SHIGECHIKA
3 granted patents·92 citations·filing 1986–1989
73Inventor score
Files withMITSUBISHI HEAVY IND LTD3
Top patents by PatentIndex Score
3 records- 0183US5051391ACatalyst filter and method for manufacturing a catalyst filter for treating a combustion exhaust gasMITSUBISHI HEAVY IND LTD·Filed 1989·Granted Sep 24, 1991·60 cites·7 claims
- 0267US4728503AFilter medium for treating an exhaust gasMITSUBISHI HEAVY IND LTD·Filed 1986·Granted Mar 1, 1988·29 cites·8 claims
- 0327US4897248AMethod for treating exhaust gasMITSUBISHI HEAVY IND LTD·Filed 1987·Granted Jan 30, 1990·3 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Shigechika Tomisawa 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 →