TY

Takamasa Yoshikawa

Pioneer: 2 patents #38 of 225Top 20%
Pioneer Electronic: 2 patents #16 of 167Top 10%
Sumitomo Electric Industries: 1 patents #1,140 of 3,352Top 35%
Overall (2002): #7,405 of 266,432Top 3%
5
Patents 2002

Issued Patents 2002

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6488378 Imaging apparatus Toshiaki Tabuchi, Hideki Ishinaga, Toshiyuki Ueda, Isao Kakuhari, Kenichi Terai 2002-12-03
6472803 Electron emission light-emitting device and display apparatus using the same Atsushi Yoshizawa, Hideo Satoh, Takashi Yamada, Takashi Chuman, Nobuyasu Negishi +4 more 2002-10-29
6404124 Electron emission device and display apparatus using the same Kazuto Sakemura, Shuuichi Yanagisawa, Shingo Iwasaki, Nobuyasu Negishi, Takashi Chuman +4 more 2002-06-11
6400070 Electron emission device and display device using the same Takashi Yamada, Kiyohide Ogasawara, Takashi Chuman, Nobuyasu Negishi, Shingo Iwasaki +4 more 2002-06-04
6388376 Electron emission device with electron supply layer having reduced resistance Nobuyasu Negishi, Takuya Hata, Atsushi Yoshizawa, Hideo Satoh, Takashi Yamada +4 more 2002-05-14