ET

Eiji Tokunaga

Nintendo Co.: 15 patents #110 of 1,476Top 8%
TI Toyota Industries: 9 patents #605 of 1,610Top 40%
Nichia: 5 patents #398 of 1,531Top 30%
SC Sekisui Kasei Co.: 1 patents #10 of 27Top 40%
TC Taiho Kogyo Co.: 1 patents #179 of 332Top 55%
📍 Kyoto, JP: #58 of 140 inventorsTop 45%
Overall (All Time): #98,276 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
6912783 Method of manufacturing a valve plate for compressor Hirohiko Tanaka, Suguru Hirota, Atsushi Shibata, Takeshi Kondo, Mitsuru Hattori +3 more 2005-07-05
6544519 Polypeptide originating in haemophilus paragallinarum and process for producing the same Masashi Sakaguchi, Kazuo Matsuo, Fukusaburo Hamada, Sachio Tokiyoshi 2003-04-08
6410222 In ovo vaccination of marek's disease type I virus Kenji Yokogawa, Masashi Sakaguchi 2002-06-25
6149398 Variable capacity piston- operated refrigerant compressor with an oil separating means Tetsuhiko Fukanuma, Shintaro Miura, Takuya Okuno 2000-11-21
6123514 Sealing structure for compressors Masahiro Kawaguchi, Hiroshi Kubo, Tomohiko Yokono, Shintaro Miura, Takuya Okuno +2 more 2000-09-26
5975859 Control valve in variable displacement compressor and its assembling method Masahiro Kawaguchi, Ken Suitou, Takuya Okuno, Kenji Takenaka 1999-11-02
5890878 Valve structure in compressor Masakazu Murase, Tetsuhiko Fukanuma, Takuya Okuno 1999-04-06
5864745 Swash plate of a swash-plate type compressor Kimio Kawagoe, Soo-Myung Hon, Kenji Takenaka, Manabu Sugiura 1999-01-26
5607286 Structure of pressure passages between chambers of a reciprocating type compressor Kenji Takenaka, Manabu Sugiura 1997-03-04
5537743 Method of linking piston rod with other parts in compressor Sokichi Hibino, Akihiro Amano, Takahiro Hamaoka 1996-07-23