Inventor · disambiguated record
Naotsugu Isshiki
Also filed as: ISSHIKI NAOTSUGU
5 granted patents·100 citations·filing 1976–1994
82Inventor score
Top patents by PatentIndex Score
5 records- 0185US4821516AStirling cycle engineAISIN SEIKI·Filed 1988·Granted Apr 18, 1989·49 cites·7 claims
- 0272US4122680AConcentration difference energy operated power plants and media used in conjunction therewithISHIKAWAJIMA HARIMA HEAVY IND·Filed 1976·Granted Oct 31, 1978·24 cites·6 claims
- 0357US5482532AMethod of and apparatus for producing metal powderKUBOTA KK·Filed 1994·Granted Jan 9, 1996·14 cites·16 claims
- 0439US5180539AMethod of and apparatus for producing metal powderKUBOTA KK·Filed 1991·Granted Jan 19, 1993·8 cites·15 claims
- 0534US5352267AMethod of producing metal powderKUBOTA KK·Filed 1992·Granted Oct 4, 1994·5 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →