HS

Hirotada Shimaguchi

CK Calsonic Kansei: 11 patents #10 of 675Top 2%
SI Seiko Instruments: 2 patents #605 of 1,437Top 45%
SK Seiko Seiki Kabushiki Kaisha: 2 patents #27 of 125Top 25%
Overall (All Time): #322,271 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
9771936 Gas compressor Kouji Hirono, Masahiro Tsuda, Shizuma Kaneko, Tatsuya Osaki 2017-09-26
9751384 Gas compressor with discharge section and sub-discharge section Kouji Hirono, Masahiro Tsuda, Tatsuya Osaki, Shizuma Kaneko 2017-09-05
9695691 Gas compressor Masahiro Tsuda, Kouji Hirono, Tatsuya Osaki 2017-07-04
9695818 Gas compressor Masahiro Tsuda, Tatsuya Osaki, Kouji Hirono, Shizuma Kaneko 2017-07-04
9528514 Gas compressor having an asymmetric cylinder chamber Kouji Hirono, Masahiro Tsuda, Tatsuya Osaki, Shizuma Kaneko 2016-12-27
9033675 Rotary vane compressor Takashi Kubo, Junichirou Terazawa 2015-05-19
8985963 Stop mechanism for vane compressor Junichirou Terazawa 2015-03-24
8944781 Electrically driven gas compressor Toshiharu Watanabe 2015-02-03
8360752 Electric compressor Toshiharu Watanabe, Yutaka Satou, Masaki Watanabe 2013-01-29
8257072 Vane compressor with improved vanes Yoshinobu Maemura 2012-09-04
8172559 Horizontal type electric compressor Masaki Watanabe, Jyunya Sugamuta 2012-05-08
6400485 Air-dynamic bearing apparatus and polygon scanner motor Tsuyoshi Kashiwada, Kaoru Kaneko 2002-06-04
6040648 Spindle motor and rotator device Naoki Kawawada, Hiroaki Namiki, Isamu Takehara, Tadao Iwaki, Takashi Ishida +2 more 2000-03-21
5821647 Spindle motor Isamu Takehara, Masashi Ogawa 1998-10-13
5804896 High speed spindle motor and apparatus equipped with high speed spindle motor Isamu Takehara, Masashi Ogawa 1998-09-08