Hiroyuki Ohba

OC Optex Co.: 5 patents #12 of 111Top 15%

KC Kureha Chemical Industry Co.: 5 patents #14 of 215Top 7%

KK Kureha Kagaku Kogyo: 5 patents #119 of 607Top 20%

TO Toyota: 3 patents #8,352 of 26,838Top 35%

TI Toyota Industries: 3 patents #452 of 1,610Top 30%

Tdk: 2 patents #1,902 of 3,796Top 55%

Yamaha: 2 patents #899 of 2,001Top 45%

TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%

KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%

Canon: 1 patents #14,899 of 19,416Top 80%

HK Hamamatsu Photonics K.K.: 1 patents #936 of 1,436Top 70%

Overall (All Time): #154,024 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4700302	Automatic guidance system for an unmanned vehicle	Hideo Arakawa, Gunji Sugiyama, Koichi Tange, Takero Hongo, Yuzo Yamamoto	1987-10-13