Inventor · disambiguated record
Hiroshi Kaya
Also filed as: KAYA HIROSHI
6 granted patents·317 citations·filing 1987–1993
87Inventor score
Top patents by PatentIndex Score
6 records- 0191US4837193AHydrotreating catalyst and process of manufactureTOA NENRYO KOGYO KK·Filed 1987·Granted Jun 6, 1989·117 cites·7 claims
- 0289US5459114AMethod for producing ceramic productsTONEN CORP·Filed 1993·Granted Oct 17, 1995·70 cites·12 claims
- 0382US5151390ASilicon nitride-based fibers and composite material reinforced with fibersTOA NENRYO KOGYO KK·Filed 1991·Granted Sep 29, 1992·61 cites·9 claims
- 0477US5145812AMolded articles formed of silicon nitride based ceramic and process for producing sameTOA NENRYO KOGYO KK·Filed 1991·Granted Sep 8, 1992·32 cites·43 claims
- 0560US5094993AHydrotreating catalystsTONEN CORP·Filed 1990·Granted Mar 10, 1992·21 cites·6 claims
- 0660US4833107AMethod for producing nitride-base ceramicsTOA NENRYO KOGYO KK·Filed 1988·Granted May 23, 1989·16 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Hiroshi Kaya 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 →