Inventor · disambiguated record
Junichi Koyano
Also filed as: KOYANO JUNICHI
4 granted patents·55 citations·filing 1997–2004
76Inventor score
Files withRIKEN KEIKI KK4
Top patents by PatentIndex Score
4 records- 0172US7086283B2Explosion-proof portable gas detectorRIKEN KEIKI KK·Filed 2004·Granted Aug 8, 2006·12 cites·19 claims
- 0271US6744373B2Portable gas alarm deviceRIKEN KEIKI KK·Filed 2002·Granted Jun 1, 2004·31 cites·9 claims
- 0355US6712586B2Gas suction pump device, gas feed adapter and gas alarm unitRIKEN KEIKI KK·Filed 2002·Granted Mar 30, 2004·10 cites·20 claims
- 0432USD403603SWrist watch type gas measuring deviceRIKEN KEIKI KK·Filed 1997·Granted Jan 5, 1999·2 cites·1 claims
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