IW

Itsuo Watanabe

HC Hitachi Chemical Company: 38 patents #2 of 1,946Top 1%
📍 Chikusei, JP: #1 of 185 inventorsTop 1%
Overall (All Time): #87,013 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
6818086 Method for repairing circuit connection part, and structure and method for connecting circuit terminal of circuit repaired by the method Motohiro Arifuku, Hiroshi Yasuda, Kouji Kobayashi, Isao Tsukagoshi 2004-11-16
6777464 Circuit connecting material, and structure and method of connecting circuit terminal Tohru Fujinawa, Motohiro Arifuku, Houko Kanazawa, Atsushi Kuwano 2004-08-17
6762249 Wiring-connecting material and process for producing circuit board with the same Tohru Fujinawa, Masami Yusa, Satoyuki Nomura, Hiroshi Ono, Motohiro Arifuku +1 more 2004-07-13
6568073 Process for the fabrication of wiring board for electrical tests Naoki Fukutomi, Hidehiro Nakamura, Hajime Nakayama, Yoshiaki Tsubomatsu, Masanori Nakamura +3 more 2003-05-27
6338195 Connection sheet and electrode connection structure for electrically interconnecting electrodes facing each other, and method using the connection sheet Isao Tsukagoshi, Yukihisa Hirosawa, Kouji Kobayashi, Tomohisa Ohta, Hiroshi Matsuoka +4 more 2002-01-15
6328844 Filmy adhesive for connecting circuits and circuit board Kenzo Takemura, Osamu Watanabe, Naoyuki Shiozawa, Akira Nagai, Kazuyoshi Kojima +2 more 2001-12-11
6281450 Substrate for mounting semiconductor chips Naoyuki Urasaki, Yasusi Simada, Yoshiyuki Tsuru, Akishi Nakaso 2001-08-28
6223429 Method of production of semiconductor device Aizou Kaneda, Masaaki Yasuda, Tomohisa Ohta, Fumio Inoue, Yoshiaki Tsubomatsu +9 more 2001-05-01
6184577 Electronic component parts device Kenzo Takemura, Akira Nagai, Osamu Watanabe, Kazuyoshi Kojima, Akishi Nakaso +4 more 2001-02-06
6133534 Wiring board for electrical tests with bumps having polymeric coating Naoki Fukutomi, Hidehiro Nakamura, Hajime Nakayama, Yoshiaki Tsubomatsu, Masanori Nakamura +3 more 2000-10-17
6034331 Connection sheet and electrode connection structure for electrically interconnecting electrodes facing each other, and method using the connection sheet Isao Tsukagoshi, Yukihisa Hirosawa, Kouji Kobayashi, Tomohisa Ohta, Hiroshi Matsuoka +4 more 2000-03-07
5648135 Information recording medium having recording layer with organic polymer and dye contained therein Atsushi Kuwano, Jun Taketatsu, Nobuaki Takane, Mitsuo Yamada, Seiji Tai 1997-07-15
5464673 Information recording medium having recording layer with organic polymer and dye contained therein Atsushi Kuwano, Jun Taketatsu, Nobuaki Takane, Mitsuo Yamada, Seiji Tai 1995-11-07