TK

Tetsuji Kawakami

Sumitomo Electric Industries: 28 patents #554 of 21,551Top 3%
Mazda Motor: 7 patents #532 of 4,755Top 15%
TC Tokyo Seimitsu Co.: 3 patents #46 of 257Top 20%
MK Mitsubishi Kasei: 3 patents #121 of 911Top 15%
NC Nippon Paint Holdings Co.: 2 patents #265 of 834Top 35%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
NC Nippon Shokubai Kagaku Kogyo Co.: 1 patents #186 of 341Top 55%
MC Matushita Electric Industrial Co.: 1 patents #3 of 106Top 3%
Overall (All Time): #72,893 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 1–25 of 42 patents

Patent #TitleCo-InventorsDate
D1045673 Motor vehicle Takanori Tsubaki, Keisuke Watanabe, Ryoma Makino, Hiroaki Tojo 2024-10-08
D825409 Bumper for motor vehicle Ryouichi Kayakabe, Yorihiro Murakami 2018-08-14
9874429 Three-dimensional coordinate measuring machine Nobuhiro Okubo, Kazuhisa Fusayasu, Keiichiro Gomi 2018-01-23
9612218 Method for determining whether acidic aqueous solution is usable Hiroyuki Mitsui, Yoshiyuki Inoue 2017-04-04
9464878 Three-dimensional coordinate measuring machine Nobuhiro Okubo, Kazuhisa Fusayasu, Keiichiro Gomi 2016-10-11
9441935 Three-dimensional coordinate measuring machine Nobuhiro Okubo, Kazuhisa Fusayasu, Keiichiro Gomi 2016-09-13
D755678 Motor vehicle Masashi Nakayama, Kousuke Takahashi, Masanori Minamisawa, Takanori Tsubaki, Yukiharu Asano 2016-05-10
8876978 Method for regenerating gas turbine blade and gas turbine blade regenerating apparatus Ikumasa Koshiro, Rumi Haruna, Yoshitaka Uemura 2014-11-04
D693274 Motor vehicle Akira Tamatani, Masanori Minamisawa, Takeshi Shinohara, Takanori Tsubaki, Yukiharu Asano 2013-11-12
D582821 Front fender of motor vehicle Youichi Sato, Shinichi Isayama, Dai Kimura, Kazuya Hamada 2008-12-16
7435772 Method and apparatus for removing additives from thermoplastic resin composition Keizo Nakajima, Hiroshi Onishi, Takayoshi Ueno, Takahiko Terada 2008-10-14
D573511 Motor vehicle Youichi Sato, Dai Kimura, Ryuji Kumagai, Masashi Aikawa 2008-07-22
D570753 Hood of motor vehicle Youichi Sato, Dai Kimura 2008-06-10
7235219 Method and apparatus for removing additives from thermoplastic resin composition Keizo Nakajima, Hiroshi Onishi, Takayoshi Ueno, Takahiko Terada 2007-06-26
6987139 Polymer composition Takahiko Terada 2006-01-17
6903242 Method for dehalogenation treatment of halogen containing non-combustible resin composition Takahiko Terada, Hiroshi Onishi, Keizo Nakajima, Takayoshi Ueno 2005-06-07
6883530 Nonslip walking stick rest 2005-04-26
6523764 Method for separating metallic from waste printed circuit boards, and dry distillation apparatus used for waste treatment Takayoshi Ueno, Keizo Nakajima, Masaaki Suzuki, Hiroshi Onishi, Takahiko Terada +1 more 2003-02-25
6388050 Method for treating thermoplastic resin composition containing flame retardant Keizo Nakajima, Takayoshi Ueno, Hiroshi Onishi 2002-05-14
6268317 Working fluid for refrigerating cycle equipment and the refrigerating cycle equipment using the same Keizo Nakajima, Kiyoshi Sawai, Takayoshi Ueno 2001-07-31
6197211 Ketone-containing working fluid for refrigerating cycle equipment and refrigerating cycle equipment having the same Keizo Nakajima, Takayoshi Ueno 2001-03-06
5842349 Refrigeration system and method of installing same Katsuya Wakita, Keizo Nakajima, 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, Keizo Nakajima, Nobuo Sonoda 1998-09-29
5718119 Refrigeration system and method of installing same Katsuya Wakita, Keizo Nakajima, Shigehiro Sato, Yusuke Ozaki, Nobuo Sonoda 1998-02-17
5569565 Hologram recording material Katsuya Wakita, Tatsurou Kawamura, Yusuke Ozaki, Hisashi Minemoto, Nobuo Sonoda 1996-10-29