Inventor · disambiguated record
Masao Maruyama
Also filed as: MARUYAMA MASAO
22 granted patents·1 pending application·561 citations·filing 1986–2000
97Inventor score
Files withTSUBAKIMOTO CHAIN CO23
Top patents by PatentIndex Score
23 records- 0196US6432011B1Silent chainTSUBAKIMOTO CHAIN CO·Filed 2000·Granted Aug 13, 2002·45 cites·3 claims
- 0293US6277046B1Silent chainTSUBAKIMOTO CHAIN CO·Filed 2000·Granted Aug 21, 2001·35 cites·4 claims
- 0393US6260345B1Silent chainTSUBAKIMOTO CHAIN CO·Filed 2000·Granted Jul 17, 2001·33 cites·3 claims
- 0493US5267910ASilent chain having improved noise reductionTSUBAKIMOTO CHAIN CO·Filed 1993·Granted Dec 7, 1993·56 cites·2 claims
- 0593US4708696ATensioner for toothed drive beltsTSUBAKIMOTO CHAIN CO·Filed 1986·Granted Nov 24, 1987·56 cites·21 claims
- 0692US6325735B1Silent chainTSUBAKIMOTO CHAIN CO·Filed 2000·Granted Dec 4, 2001·45 cites·8 claims
- 0784US6416436B1Silent chain power transmitting deviceTSUBAKIMOTO CHAIN CO·Filed 2000·Granted Jul 9, 2002·26 cites·10 claims
- 0883US6494800B1Wear-resistant silent chainTSUBAKIMOTO CHAIN CO·Filed 2000·Granted Dec 17, 2002·20 cites·3 claims
- 0981US6413180B1Power transmitting mechanism with silent chain and sprocketsTSUBAKIMOTO CHAIN CO·Filed 2000·Granted Jul 2, 2002·22 cites·13 claims
- 1080US6272835B1Silent chainTSUBAKIMOTO CHAIN CO·Filed 2000·Granted Aug 14, 2001·16 cites·14 claims
- 1177US6589127B1Silent chain with rocker joint pinsTSUBAKIMOTO CHAIN CO·Filed 2000·Granted Jul 8, 2003·21 cites·3 claims
- 1275US6383105B1Guide plate for a silent chainTSUBAKIMOTO CHAIN CO·Filed 2000·Granted May 7, 2002·16 cites·3 claims
- 1374US6159122ASilent chainTSUBAKIMOTO CHAIN CO·Filed 1999·Granted Dec 12, 2000·23 cites·2 claims
- 1473US6077181APlate for a silent chain having a protruding portion for reducing the noise generated when the plate engages a sprocketTSUBAKIMOTO CHAIN CO·Filed 1997·Granted Jun 20, 2000·24 cites·1 claims
- 1573US5181889ATensioner for a toothed beltTSUBAKIMOTO CHAIN CO·Filed 1991·Granted Jan 26, 1993·26 cites·5 claims
- 1670US5941059ASilent chain, and rocker pin and plate thereofTSUBAKIMOTO CHAIN CO·Filed 1997·Granted Aug 24, 1999·22 cites·2 claims
- 1760US5073149ADiaphragm seal type tensionerTSUBAKIMOTO CHAIN CO·Filed 1990·Granted Dec 17, 1991·19 cites·17 claims
- 1859US5902203ASilent chainTSUBAKIMOTO CHAIN CO·Filed 1997·Granted May 11, 1999·16 cites·3 claims
- 1956US5176584ASilent chainTSUBAKIMOTO CHAIN CO·Filed 1991·Granted Jan 5, 1993·15 cites·9 claims
- 2052US6393819B1Rocker pin and wire stock for producing the sameTSUBAKIMOTO CHAIN CO·Filed 2000·Granted May 28, 2002·10 cites·34 claims
- 2147US6045473APlate for a silent chainTSUBAKIMOTO CHAIN CO·Filed 1998·Granted Apr 4, 2000·11 cites·2 claims
- 2235US2002058561A1Silent chainTSUBAKIMOTO CHAIN CO·Filed 2000·Application pending·0 cites
- 2333US5299984AFrictional transmission chainTSUBAKIMOTO CHAIN CO·Filed 1992·Granted Apr 5, 1994·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →