SM

Shinichi Matsumura

SO Sony: 25 patents #1,512 of 25,231Top 6%
SC Sanyo Electric Co.: 4 patents #1,493 of 6,347Top 25%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
DE Dexerials: 2 patents #177 of 387Top 50%
NH Nitta Haas: 1 patents #22 of 56Top 40%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #90,254 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
6391423 Magnetic recording medium Satoshi Sato 2002-05-21
6379125 Linear compressor Naoto Tojo, Yasuyuki Kuwaki, Takafumi Nakayama, Taizo Takaoka 2002-04-30
6255524 Process for producing acid chlorides having polyfluoroalkyl groups Hirokazu Aoyama, Shoji Takagi, Yoshinori Tanaka 2001-07-03
6231310 Linear compressor Naoto Tojo, Yasuyuki Kuwaki, Takafumi Nakayama, Taizo Takaoka 2001-05-15
6203884 Magnetic recording medium Satoshi Sato, Yuichi Arisaka 2001-03-20
6203892 Magnetic recording medium and manufacturing method therefor Naoto Maeda 2001-03-20
6131721 Lead frame transporting apparatus Isao Arakawa, Tatsuya Urata 2000-10-17
6031202 Laser marking apparatus and method for controlling same Isao Arakawa, Tatsuya Urata, Tetsuji Miyamoto 2000-02-29
5980211 Circuit arrangement for driving a reciprocating piston in a cylinder of a linear compressor for generating compressed gas with a linear motor Naoto Tojo, Takafumi Nakayama, Daizo Takaoka 1999-11-09
5976668 Base film for magnetic recording medium and magnetic recording medium using same Kazunobu Chiba, Jota Ito, Tsutomu Takeda 1999-11-02
5908684 Magnetic recording medium Satoshi Sato 1999-06-01
5737924 Gas compressor expander Kenji Taguchi, Takahiro Nakamura, Yasuyuki Kuwaki, Takafumi Nakayama 1998-04-14