Inventor · disambiguated record
Yoshiyuki Narisawa
Also filed as: NARISAWA YOSHIYUKI
8 granted patents·603 citations·filing 1991–2003
91Inventor score
Files withRION CO8
Top patents by PatentIndex Score
8 records- 0197USD354568SHearing aidRION CO·Filed 1994·Granted Jan 17, 1995·86 cites·1 claims
- 0294US5347584AHearing aidRION CO·Filed 1992·Granted Sep 13, 1994·198 cites·8 claims
- 0393US5187746AStructure of battery receiving chamberRION CO·Filed 1991·Granted Feb 16, 1993·135 cites·8 claims
- 0489US6041128ABattery receiving chamber and hearing aidRION CO·Filed 1995·Granted Mar 21, 2000·119 cites·7 claims
- 0580USD368309SEarplug for a hearing aidRION CO·Filed 1994·Granted Mar 26, 1996·22 cites·1 claims
- 0677USD375556SHearing aidRION CO·Filed 1994·Granted Nov 12, 1996·19 cites·1 claims
- 0768USD497001SHearing aidRION CO·Filed 2003·Granted Oct 5, 2004·16 cites·1 claims
- 0851USD497000SHearing aidRION CO·Filed 2003·Granted Oct 5, 2004·8 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →