KI

Keiichi Iwata

JC Japan Pionics Co.: 6 patents #12 of 76Top 20%
MC Mitsubishi Gas Chemical Company: 4 patents #481 of 1,727Top 30%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #469,384 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
7357288 Component connecting apparatus Naoto Hosotani, Kazuki Fukada, Daido Komyoji 2008-04-15
7140103 Process for the production of high-density printed wiring board Morio Gaku, Nobuyuk Ikeguchi, Katsuji Komatsu, Yasuo Tanaka, Ken Shimizu 2006-11-28
6602654 Developing solution for a photoresist and a method for developing the photoresist Kazushi Gouroku, Kenichi Nakamura 2003-08-05
5846695 Removing agent composition for a photoresist and process for producing a semiconductor integrated circuit Tetsuya Karita, Tetsuo Aoyama 1998-12-08
5597540 Process for cleaning harmful gas Noboru Akita, Toshiya Hatakeyama, Takashi Shimada 1997-01-28
5567574 Removing agent composition for photoresist and method of removing Ryuji Hasemi, Mayumi Hada, Hidetoshi Ikeda 1996-10-22
5470555 Process for purification of gaseous organometallic compound Takashi Shimada, Masako Yasuda 1995-11-28
5417948 Process for cleaning harmful gas Toshiya Hatakeyama 1995-05-23
5378444 Process for cleaning harmful gas Noboru Akita, Toshiya Hatakeyama, Takashi Shimada 1995-01-03
5019364 Method for purifying gaseous hydrides Koichi Kitahara, Takashi Shimada 1991-05-28
4976942 Method for purifying gaseous hydrides Koichi Kitahara, Takashi Shimada, Noboru Akita 1990-12-11