TK

Toshihiro Koyama

KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
TO Topcon: 2 patents #309 of 684Top 50%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
O- O-M: 1 patents #22 of 47Top 50%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
IJ Ishikawajima-Harima Jukogyo: 1 patents #170 of 494Top 35%
📍 Koganei, JP: #71 of 449 inventorsTop 20%
Overall (All Time): #386,938 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
7721452 Shape measuring apparatus for eyeglasses 2010-05-25
7052135 Ophthalmologic apparatus Takanori Takeda, Masaki Ohno, Tomoyoshi Abe 2006-05-30
6989218 Composite electrode material and method for producing the same, and electrochemical element using the same Masayuki Yamada, Miwa Miyamoto, Eri Yokoyama, Shoji Saibara, Shigeo Aoyama 2006-01-24
6724917 Control apparatus for ventilating a tunnel Hiroyuki Ohashi, Kazuchika Nagao 2004-04-20
6246956 Vehicle traffic control apparatus Miyako Miyoshi, Yuji Fujiwara, Kizo Nagashima, Yoshikazu Oba, Yoshiro Seki 2001-06-12
5887615 Check valve of fuel tank Hiroshi Goto, Tatuji Ishikawa, Masahide Takisawa 1999-03-30
5570831 Pneumatic static guide for a tape Hidekazu Takeda, Kenmei Masuda, Nobuyuki Kaku, Tomoki Shoji, Kazuo Sakai +1 more 1996-11-05
5126947 Method of controlling plate flatness and device therefor 1992-06-30
5050019 Method for automatic continuous changing of cartridge-type magnetic tapes Munetake Kanna, Masatoshi Ishikawa 1991-09-17
5040395 Looper control system for continuous rolling mill Yoshiro Seki, Kunio Sekiguchi 1991-08-20
4827452 Semiconductor memory including a selectively disabled redunancy circuit Tsuyoshi Toyama, Kenji Kohda 1989-05-02
4665729 Thickness control method and system for a single-stand/multi-pass rolling mill Takahiro Watanabe, Hiroyuki Shiozaki, Takao Kawanami, Hideo Takahashi, Toshiyuki Shiraishi +1 more 1987-05-19
4507946 Method and system for controlling an interstand tension in a continuous rolling mill Yoshiharu Anbe, Takuo Funahashi 1985-04-02