Inventor · disambiguated record
Hisao Ichikawa
Also filed as: ICHIKAWA HISAO
3 granted patents·55 citations·filing 1996–1998
72Inventor score
Technology areasF04B
Files withZEXEL CORP3
Top patents by PatentIndex Score
3 records- 0170US5709535AMulti-cylinder reciprocating compressor having improved discharge valve stopper assemblyZEXEL CORP·Filed 1996·Granted Jan 20, 1998·31 cites·16 claims
- 0253US6022199AReciprocating compressorZEXEL CORP·Filed 1998·Granted Feb 8, 2000·17 cites·11 claims
- 0334US5800147ASwash plate compressorZEXEL CORP·Filed 1997·Granted Sep 1, 1998·7 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →