KN

Keizo Nakajima

Sumitomo Electric Industries: 15 patents #1,596 of 21,551Top 8%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Overall (All Time): #277,922 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
8519305 Polymer heating element Akihiro Umeda, Takahito Ishii, Katsuhiko Uno, Hiroshi Fukuda 2013-08-27
7675004 Heating element and production method thereof Takahito Ishii, Keiko Yasui, Seishi Terakado, Takehiko Shigeoka, Kazuyuki Kohara +1 more 2010-03-09
7435772 Method and apparatus for removing additives from thermoplastic resin composition Tetsuji Kawakami, Hiroshi Onishi, Takayoshi Ueno, Takahiko Terada 2008-10-14
7235219 Method and apparatus for removing additives from thermoplastic resin composition Tetsuji Kawakami, Hiroshi Onishi, Takayoshi Ueno, Takahiko Terada 2007-06-26
6903242 Method for dehalogenation treatment of halogen containing non-combustible resin composition Takahiko Terada, Hiroshi Onishi, Tetsuji Kawakami, Takayoshi Ueno 2005-06-07
6523764 Method for separating metallic from waste printed circuit boards, and dry distillation apparatus used for waste treatment Takayoshi Ueno, Masaaki Suzuki, Hiroshi Onishi, Takahiko Terada, Yoshitaka Kawasaki +1 more 2003-02-25
6429284 Method for treating flame retardant resin composition Masaaki Suzuki, Hiroshi Onishi 2002-08-06
6388050 Method for treating thermoplastic resin composition containing flame retardant Tetsuji Kawakami, Takayoshi Ueno, Hiroshi Onishi 2002-05-14
6336601 Method for separating metallic material from waste printed circuit boards, and dry distillation apparatus used for waste treatment Takayoshi Ueno, Masaaki Suzuki, Hiroshi Onishi, Takahiko Terada 2002-01-08
6268317 Working fluid for refrigerating cycle equipment and the refrigerating cycle equipment using the same Tetsuji Kawakami, Kiyoshi Sawai, Takayoshi Ueno 2001-07-31
6197211 Ketone-containing working fluid for refrigerating cycle equipment and refrigerating cycle equipment having the same Tetsuji Kawakami, Takayoshi Ueno 2001-03-06
5842349 Refrigeration system and method of installing same Katsuya Wakita, Tetsuji Kawakami, Shigehiro Sato, Yusuke Ozaki, Nobuo Sonoda 1998-12-01
5813240 Method for constructing a refrigerating cycle including a process of removing oxygen Shigehiro Sato, Katsuya Wakita, Yusuke Ozaki, Nobuo Sonoda, Tetsuji Kawakami 1998-09-29
5718119 Refrigeration system and method of installing same Katsuya Wakita, Tetsuji Kawakami, Shigehiro Sato, Yusuke Ozaki, Nobuo Sonoda 1998-02-17
5357017 Macrocyclic poly-conjugated system and macrocyclic poly-conjugated composition Nobuo Sonoda, Kazuyoshi Tanaka, Tokio Yamabe 1994-10-18
5173342 Liquid crystal orientation film and process for making the same Shigehiro Sato, Hirofumi Wakemoto, Shoichi Ishihara 1992-12-22
5119221 Liquid crystal display device comprising improved alignment layers for liquid crystal Shigehiro Sato, Hirofumi Wakemoto, Shoichi Ishihara, Yoshihiro Matsuo 1992-06-02