Inventor · disambiguated record
Katsushi Umezawa
Also filed as: UMEZAWA KATSUSHI
8 granted patents·232 citations·filing 1993–1995
89Inventor score
Files withUSUI KOKUSAI SANGYO KK8
Top patents by PatentIndex Score
8 records- 0178US5437483AFlexible hose jointUSUI KOKUSAI SANGYO KK·Filed 1993·Granted Aug 1, 1995·48 cites·6 claims
- 0277US5580100AConnecting joint for plastic tubeUSUI KOKUSAI SANGYO KK·Filed 1995·Granted Dec 3, 1996·46 cites·9 claims
- 0372US5324081AConnector for pipes having a small diameterUSUI KOKUSAI SANGYO KK·Filed 1993·Granted Jun 28, 1994·38 cites·16 claims
- 0467US5492376AConnecting and fixing method for metallic pipes with small diameterUSUI KOKUSAI SANGYO KK·Filed 1994·Granted Feb 20, 1996·28 cites·7 claims
- 0557US5575512APipe jointUSUI KOKUSAI SANGYO KK·Filed 1995·Granted Nov 19, 1996·23 cites·10 claims
- 0655US5749138AConnecting and fixing method for metallic pipes with small diameterUSUI KOKUSAI SANGYO KK·Filed 1995·Granted May 12, 1998·15 cites·8 claims
- 0753US5328216AThin pipe connecting jointUSUI KOKUSAI SANGYO KK·Filed 1993·Granted Jul 12, 1994·21 cites·9 claims
- 0847US5314216AThin resin tube connecting coupling with flanged insertUSUI KOKUSAI SANGYO KK·Filed 1993·Granted May 24, 1994·13 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →