SH

Shoichi Hirai

HC Hitachi Koki Co.: 11 patents #93 of 888Top 15%
NS Nippon Cable System: 3 patents #9 of 90Top 10%
TO Toshiba: 2 patents #606 of 2,688Top 25%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #278,919 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
7490582 Combustion type power tool having fin for effectively cooling cylinder Yoshitaka Akiba, Tomomasa Nishikawa 2009-02-17
7255257 Pneumatically operated power tool having mechanism for changing compressed air pressure Haruhiko Oouchi, Michio Wakabayashi 2007-08-14
7210431 Combustion-type power tool with exhaust gas flow regulating rib Tomomasa Nishikawa, Yoshitaka Akiba, Haruhisa Fujisawa 2007-05-01
7131404 Combustion-type power tool having gas canister cooling arrangement Tomomasa Nishikawa, Yoshitaka Akiba, Haruhisa Fujisawa 2006-11-07
7093743 Pneumatically operated power tool having mechanism for changing compressed air pressure Haruhiko Oouchi, Michio Wakabayashi 2006-08-22
7063053 Combustion type power tool having fin for effectively cooling cylinder Yoshitaka Akiba, Tomomasa Nishikawa 2006-06-20
D497299 Portable gas nailing machine Takeshi Matsuoka, Yoshitaka Akiba 2004-10-19
6763992 Driving depth adjusting mechanism for a nailer 2004-07-20
6572000 Driving tool Akira Uno 2003-06-03
6220496 Nailing machine Akira Uno 2001-04-24
5873510 Repetitive striking type pneumatically operated nail gun Yoshinori Ishizawa, Masanori Aoki 1999-02-23
4918865 Window opener 1990-04-24
4840080 Driving device employed in a window regulator Tetuo Kobayashi 1989-06-20
4827522 Pattern recognition apparatus for determining a reference pattern by K-L expansion utilizing a power method Hiroshi Matsuura 1989-05-02
4716593 Identity verification system Sedakazu Watanabe 1987-12-29
4628759 Driving device employed in a window regulator Tetuo Kobayashi 1986-12-16
4566127 Complex system having the functions of optical character reader and facsimile Kunihiko Sekiya, Kunio Sakai, Shigeru Miyao, Masatoshi Fukuda 1986-01-21