Inventor · disambiguated record
Shigeru Tsutsumi
Also filed as: TSUTSUMI SHIGERU
16 granted patents·426 citations·filing 1974–1995
95Inventor score
Top patents by PatentIndex Score
16 records- 0182US4517453AHot tip bushing means for a synthetic resin injection molding machineTSUTSUMI SHIGERU·Filed 1984·Granted May 14, 1985·42 cites·5 claims
- 0281US5246660AProcess and apparatus for injection molding with melt filtration and mixingSEIKI CORP·Filed 1991·Granted Sep 21, 1993·48 cites·26 claims
- 0380US4899288ATemperature control indicating apparatus of a hot runner in a thermoplastic synthetic resin injection molding systemTSUTSUMI SHIGERU·Filed 1988·Granted Feb 6, 1990·41 cites·4 claims
- 0476US4740674APointed heat-generating deviceSANRI KK·Filed 1986·Granted Apr 26, 1988·32 cites·3 claims
- 0574US4687613AInjection molding process for synthetic resin and its apparatusTSUTSUMI SHIGERU·Filed 1985·Granted Aug 18, 1987·33 cites·2 claims
- 0673US5804906ASound generating deviceSHINSEI CORP·Filed 1995·Granted Sep 8, 1998·54 cites·38 claims
- 0773US4438064AInjection molding process for synthetic resin and its apparatusTSUTSUMI SHIGERU·Filed 1982·Granted Mar 20, 1984·30 cites·4 claims
- 0869US5219512AImproved pressure-holding chamber type injection molding process and apparatus for injection molding of productsSEIKI CORP·Filed 1989·Granted Jun 15, 1993·28 cites·17 claims
- 0967US4976900AMethod and apparatus for gushing air stream into metal molds in injection molding machineSANRI KK·Filed 1988·Granted Dec 11, 1990·26 cites·15 claims
- 1067US4894197AMethod for runnerless injection molding synthetic resin by intermittent cooling system and apparatus thereofSANRI KK·Filed 1988·Granted Jan 16, 1990·26 cites·6 claims
- 1160US4704516APointed heat-generating device for molds of injection molding machinesTSUTSUMI SHIGERU·Filed 1985·Granted Nov 3, 1987·20 cites·14 claims
- 1253US4723898ASmall-sized and precision injection molding apparatusTSUTSUMI SHIGERU·Filed 1987·Granted Feb 9, 1988·15 cites·6 claims
- 1352US4059383AMold opening and locking mechanism in an injection molding machine or the likeTSUTSUMI SHIGERU·Filed 1975·Granted Nov 22, 1977·12 cites·8 claims
- 1447US3984462AProcess for producing dodecanedioic acid dimethylOKAMURA OIL MILL·Filed 1974·Granted Oct 5, 1976·3 cites·3 claims
- 1546US5248460APressure-holding chamber type injection molding process and apparatusSEIKI CORP·Filed 1990·Granted Sep 28, 1993·13 cites·47 claims
- 1632US4094208AToggle meansTSUTSUMI SHIGERU·Filed 1975·Granted Jun 13, 1978·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →