Inventor · disambiguated record
Yohei Koi
Also filed as: KOI YOHEI
3 granted patents·1 pending application·10 citations·filing 2004–2005
60Inventor score
Top patents by PatentIndex Score
4 records- 0159US7847186B2Silicon based thin film solar cellKANEKA CORP·Filed 2004·Granted Dec 7, 2010·4 cites·4 claims
- 0256US7550665B2Stacked photoelectric converterKANEKA CORP·Filed 2004·Granted Jun 23, 2009·6 cites·15 claims
- 0347US7781668B2Substrate for thin-film solar cell, method for producing the same, and thin-film solar cell employing itKANEKA CORP·Filed 2005·Granted Aug 24, 2010·0 cites·9 claims
- 0445US2008185036A1Substrate For Thin Film Photoelectric Conversion Device and Thin Film Photoelectric Conversion Device Including the SameSASAKI TOSHIAKI·Filed 2005·Application pending·0 cites
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