Inventor · disambiguated record
Kazuyoshi Hirakawa
Also filed as: HIRAKAWA KAZUYOSHI
4 granted patents·16 citations·filing 1989–1997
69Inventor score
Files withUNIV KYUSHU4
Top patents by PatentIndex Score
4 records- 0138US5017548AMethod of producing high-temperature superconducting ceramics material by mechanical orientationUNIV KYUSHU·Filed 1989·Granted May 21, 1991·7 cites·4 claims
- 0234US5672444AComposite electrode for a photo-rechargeable storage batteryUNIV KYUSHU·Filed 1996·Granted Sep 30, 1997·8 cites·2 claims
- 0323US5807411AMethod of making a photo-rechargeable storage batteryUNIV KYUSHU·Filed 1997·Granted Sep 15, 1998·1 cites·4 claims
- 0419US5697044AProcess for sintering YBa2 Cu3 Ox through wet grain-coatingUNIV KYUSHU·Filed 1996·Granted Dec 9, 1997·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →