Inventor · disambiguated record
Haruhiko Otsuka
Also filed as: OTSUKA HARUHIKO
7 granted patents·124 citations·filing 1987–2005
86Inventor score
Top patents by PatentIndex Score
7 records- 0182US4821531ARefrigerant evaporatorNIPPON DENSO CO·Filed 1987·Granted Apr 18, 1989·43 cites·20 claims
- 0268US7271619B2Charge pump circuit reducing noise and charge error and PLL circuit using the sameSEIKO NPC CORP·Filed 2005·Granted Sep 18, 2007·9 cites·7 claims
- 0368US5582027AModulator integrated type refrigerant condenserNIPPON DENSO CO·Filed 1995·Granted Dec 10, 1996·32 cites·21 claims
- 0457US5549954AMagnetic discAG TECHNOLOGY CORP·Filed 1994·Granted Aug 27, 1996·21 cites·9 claims
- 0546US6215370B1Crystal oscillator circuit with crystal reducing resistance and integrated circuit thereforNIPPON PRECISION CIRCUITS·Filed 1998·Granted Apr 10, 2001·9 cites·22 claims
- 0638US5534357ABrazing sheet for vacuum brazingNIPPON DENSO CO·Filed 1995·Granted Jul 9, 1996·6 cites·2 claims
- 0734US6346862B2Quartz oscillation circuit and quartz oscillation integrated circuit deviceNIPPON PRECISION CIRCUITS·Filed 1999·Granted Feb 12, 2002·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →