Inventor · disambiguated record
Shuji Tajima
Also filed as: TAJIMA SHUJI
7 granted patents·2 pending applications·130 citations·filing 2000–2009
86Inventor score
Files withRIKEN KEIKI KK9
Top patents by PatentIndex Score
9 records- 0184US6606897B1Portable gas detector and its cradleRIKEN KEIKI KK·Filed 2000·Granted Aug 19, 2003·37 cites·5 claims
- 0282US7178381B2Portable gas detectorRIKEN KEIKI KK·Filed 2004·Granted Feb 20, 2007·22 cites·6 claims
- 0372US7086283B2Explosion-proof portable gas detectorRIKEN KEIKI KK·Filed 2004·Granted Aug 8, 2006·12 cites·19 claims
- 0471US6744373B2Portable gas alarm deviceRIKEN KEIKI KK·Filed 2002·Granted Jun 1, 2004·31 cites·9 claims
- 0564USD447974SPortable gas detector-alarmRIKEN KEIKI KK·Filed 2000·Granted Sep 18, 2001·16 cites·1 claims
- 0657US7089779B2Portable gas detectorRIKEN KEIKI KK·Filed 2004·Granted Aug 15, 2006·2 cites·10 claims
- 0755US6712586B2Gas suction pump device, gas feed adapter and gas alarm unitRIKEN KEIKI KK·Filed 2002·Granted Mar 30, 2004·10 cites·20 claims
- 0851US2010297488A1Explosion-proof structure of power source part, explosion-proof type battery unit and explosion-proof type gas alarmRIKEN KEIKI KK·Filed 2009·Application pending·0 cites
- 0947US2005092065A1Portable gas detectorRIKEN KEIKI KK·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →