TO

Takashi Okumura

Brother Kogyo: 21 patents #404 of 2,767Top 15%
Kyocera: 5 patents #593 of 3,732Top 20%
KC Kayaba Industry Co.: 2 patents #82 of 326Top 30%
NE Nec: 2 patents #5,510 of 14,502Top 40%
HC Hitachi Construction Machinery Co.: 1 patents #701 of 1,234Top 60%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
NC Nippon Pneumatic Mfg. Co.: 1 patents #7 of 40Top 20%
Overall (All Time): #106,777 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
12091841 Work machine management system and work machine management device Tomohiro Yoneda, Satoshi INOSE, Tomohiro Yoshida, Ayato IWASAKI, Hiroyuki Konno 2024-09-17
10601235 Electronic control unit including a forcible power supply interruption determination Masahiro Makino 2020-03-24
8979443 Insert for drill 2015-03-17
8911183 Cutting insert for drill, drill, and method of cutting using the same 2014-12-16
8651778 Drill 2014-02-18
8579556 Insert for drill, drill and method of cutting work material 2013-11-12
8382403 Throwaway drill, insert of throwaway drill and cutting method using the same 2013-02-26
7726646 Sheet package with recloseable flap Koji Sugiyama, Hiroshi Taira, Minoru Yamamoto, Keiji Seo, Katsuhiko Shimada +1 more 2010-06-01
7198420 Printer Minoru Yamamoto, Hiroshi Taira, Keiji Seo 2007-04-03
7097520 Steering system for small boat Koichiro Awano 2006-08-29
6892662 Power steering device for boat with outboard motor Kouichi Watanabe, Koichiro Awano 2005-05-17
6816587 Virtual private line connection system and method Takeo Orui 2004-11-09
6625178 Virtual private line control system with improved transmission efficiency Makoto Hokari 2003-09-23
6460456 Stamp making apparatus and attachment thereof Koji Sugiyama, Naohito Asai, Tetsuji Fuwa, Teruo Imamaki, Takashi Miki +1 more 2002-10-08
6440549 Printing sheet for stamp Keiji Seo, Mitsunobu Suda, Koji Sugiyama 2002-08-27
6311618 Stamp unit with a circumference portion covered by a sealant Hiroshi Takami, Teruo Imamaki, Minoru Yamamoto, Mitsunobu Suda, Keiji Seo +1 more 2001-11-06
6112662 Stamp unit Hiroshi Takami, Teruo Imamaki, Minoru Yamamoto, Mitsunobu Suda, Keiji Seo +1 more 2000-09-05
6030743 Method for manufacturing pattern sheet for plate-making Mitsunobu Suda, Koji Sugiyama, Keiji Seo 2000-02-29
6015108 Crusher Hiroshi Okada, Yoshifumi Itoh 2000-01-18
5996493 Stamp unit protection element Mitsunobu Suda, Keiji Seo, Hiroshi Takami, Minoru Yamamoto, Koji Sugiyama 1999-12-07
5974969 Stamp unit with ink pack filled with ink Teruo Imamaki, Hiroshi Takami 1999-11-02
5778776 Stencil stamp unit Tetsuji Fuwa, Teruo Imamaki 1998-07-14
5621452 Heat-sensitive stencil-production device capable of print checking function with printed dot image 1997-04-15
5586500 Stencil stamp Hiroshi Takami, Yoshihiro Yasui 1996-12-24
5551337 Method and apparatus for detecting a type of stencil and controlling thermal perforation energy thereby Takashi Miki 1996-09-03