MA

Masafumi Ata

SO Sony: 2 patents #335 of 2,234Top 15%
Overall (2002): #52,918 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6495290 Proton conductor, production method thereof, and electrochemical device using the same Koichiro Hinokuma, Björn Pietzak, Constance Gertrud Rost 2002-12-17
6471929 Photocatalyst, manufacturing method therefor, and gas decomposition method Misao Kusunoki, Tomikazu Watanabe, Shigehide Yamamichi, Shinichi Mizuno, Matthias Ramm 2002-10-29