Inventor · disambiguated record
Yusaku Nakagawa
Also filed as: NAKAGAWA YUSAKU
7 granted patents·189 citations·filing 1988–1994
88Inventor score
Files withHITACHI LTD7
Top patents by PatentIndex Score
7 records- 0190US4944663ARotary compressor having oxidizing and nitriding surface treatmentHITACHI LTD·Filed 1989·Granted Jul 31, 1990·59 cites·15 claims
- 0282US4891831AX-ray tube and method for generating X-rays in the X-ray tubeHITACHI LTD·Filed 1988·Granted Jan 2, 1990·29 cites·31 claims
- 0374US5478220ACompressor scroll made of silicon containing aluminum alloyHITACHI LTD·Filed 1994·Granted Dec 26, 1995·30 cites·2 claims
- 0473US5087181ASliding structure such as compressor or the likeHITACHI LTD·Filed 1990·Granted Feb 11, 1992·30 cites·27 claims
- 0566US4939762ATarget for X-ray tube as well as method of manufacturing the same, and X-ray tubeHITACHI LTD·Filed 1988·Granted Jul 3, 1990·15 cites·26 claims
- 0662US5346667AMethod of manufacturing sintered aluminum alloy partsHITACHI LTD·Filed 1992·Granted Sep 13, 1994·15 cites·9 claims
- 0750US5387272AHighly ductile sintered aluminum alloy, method for production thereof and use thereofHITACHI LTD·Filed 1992·Granted Feb 7, 1995·11 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →