Inventor · disambiguated record
Masahiko Koumura
Also filed as: KOUMURA MASAHIKO
7 granted patents·104 citations·filing 1976–2011
86Inventor score
Top patents by PatentIndex Score
7 records- 0194US8087916B2Holding jig for a foamable materialKANIE HIDEKI·Filed 2005·Granted Jan 3, 2012·36 cites·13 claims
- 0292US9096005B2Holding jig for a foamable materialKANIE HIDEKI·Filed 2011·Granted Aug 4, 2015·14 cites·5 claims
- 0359US4505253AWater heaterRINNAI KK·Filed 1984·Granted Mar 19, 1985·16 cites·4 claims
- 0454US4089319AHot blast type ovenTAMADA KAZUMI·Filed 1976·Granted May 16, 1978·17 cites·7 claims
- 0551US4627416AWater heaterRINNAI KK·Filed 1984·Granted Dec 9, 1986·13 cites·3 claims
- 0635US4278862ACombination microwave and gas ovenRINNAI KK·Filed 1980·Granted Jul 14, 1981·7 cites·7 claims
- 0729US4335912ADoor locking apparatusRINNAI KK·Filed 1980·Granted Jun 22, 1982·1 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Masahiko Koumura 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 →