Inventor · disambiguated record
Yoshifumi Takeyama
Also filed as: TAKEYAMA YOSHIFUMI
28 granted patents·1 pending application·1,575 citations·filing 1995–2013
98Inventor score
Top patents by PatentIndex Score
29 records- 0197US6479744B1Photovoltaic device moduleCANON KK·Filed 2000·Granted Nov 12, 2002·143 cites·36 claims
- 0295US6515218B1Photovoltaic element, process for the production thereof, method for removing a cover portion of a covered wire, and method for joining a covered wire and a conductorCANON KK·Filed 2000·Granted Feb 4, 2003·94 cites·32 claims
- 0395US6180868B1Solar cell module, solar cell module string, solar cell system, and method for supervising said solar cell module or solar cell module stringCANON KK·Filed 1999·Granted Jan 30, 2001·166 cites·30 claims
- 0494US8326178B2Covering member and cartridgeNAKAMURA YUUKI·Filed 2009·Granted Dec 4, 2012·18 cites·20 claims
- 0594US8180251B2Cover and cartridgeNAKAMURA YUUKI·Filed 2010·Granted May 15, 2012·10 cites·13 claims
- 0694US5942048APhotovoltaic element electrode structure thereof and process for producing the sameCANON KK·Filed 1997·Granted Aug 24, 1999·152 cites·23 claims
- 0794US5679176AGroup of solar cell elements, and solar cell module and production method thereofCANON KK·Filed 1995·Granted Oct 21, 1997·146 cites·13 claims
- 0892US8913920B2Cover and cartridgeNAKAMURA YUUKI·Filed 2012·Granted Dec 16, 2014·6 cites·6 claims
- 0992US6511861B2Method of producing photovoltaic element moduleCANON KK·Filed 2001·Granted Jan 28, 2003·55 cites·16 claims
- 1091US6265242B1Solar cell module and a process for producing said solar cell moduleCANON KK·Filed 1999·Granted Jul 24, 2001·112 cites·28 claims
- 1191US6184457B1Photovoltaic device moduleCANON KK·Filed 1998·Granted Feb 6, 2001·90 cites·18 claims
- 1291US6184458B1Photovoltaic element and production method thereforCANON KK·Filed 1999·Granted Feb 6, 2001·103 cites·20 claims
- 1391US5667596APhotovoltaic device and manufacturing method of the sameCANON KK·Filed 1997·Granted Sep 16, 1997·111 cites·17 claims
- 1488US6162986ASolar cell module and method of manufacturing the sameCANON KK·Filed 1999·Granted Dec 19, 2000·83 cites·18 claims
- 1586US6316832B1Moldless semiconductor device and photovoltaic device module making use of the sameCANON KK·Filed 1998·Granted Nov 13, 2001·81 cites·22 claims
- 1682US6388187B1Photovoltaic element module and its production method, and non-contact treatment methodCANON KK·Filed 1998·Granted May 14, 2002·49 cites·7 claims
- 1781US6984804B2Non-contact treatment methodCANON KK·Filed 2001·Granted Jan 10, 2006·22 cites·14 claims
- 1877US6803514B2Mounting structure and mounting method of a photovoltaic element, mounting substrate for mounting a semiconductor element thereon and method for mounting a semiconductor element on said mounting substrateCANON KK·Filed 2002·Granted Oct 12, 2004·22 cites·23 claims
- 1977US6664597B2Substrate for mounting a semiconductor element thereon and semiconductor device comprising a semiconductor element mounted on said substrateCANON KK·Filed 2001·Granted Dec 16, 2003·21 cites·9 claims
- 2073US8417152B2Process cartridge and image forming apparatusTAKEYAMA YOSHIFUMI·Filed 2009·Granted Apr 9, 2013·4 cites·12 claims
- 2170US6271462B1Inspection method and production method of solar cell moduleCANON KK·Filed 1999·Granted Aug 7, 2001·34 cites·26 claims
- 2266US5894853ACleaning method for removal of contaminantsCANON KK·Filed 1997·Granted Apr 20, 1999·31 cites·18 claims
- 2361US7537670B2Thermal contact-bonding method and thermal contact-bonding apparatusCANON KK·Filed 2004·Granted May 26, 2009·8 cites·3 claims
- 2459US8798499B2Image forming apparatus having image bearing member guide portionsCANON KK·Filed 2013·Granted Aug 5, 2014·0 cites·4 claims
- 2557US8190058B2Drum cartridge including detachable spacer member and electrophotographic image forming apparatusTAKEYAMA YOSHIFUMI·Filed 2009·Granted May 29, 2012·1 cites·6 claims
- 2652US8666279B2Image forming apparatus having process cartridge guide portionsTAKEYAMA YOSHIFUMI·Filed 2010·Granted Mar 4, 2014·0 cites·5 claims
- 2749US6114185AWelding process and photovoltaic deviceCANON KK·Filed 1998·Granted Sep 5, 2000·12 cites·17 claims
- 2846US7687708B2Photovoltaic cell having a coating film provided on a photovoltaic element and manufacturing method thereofCANON KK·Filed 2004·Granted Mar 30, 2010·1 cites·14 claims
- 2941US2006260673A1Photovoltaic element and method of producing photovoltaic elementCANON KK·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →