RH

Ryoichi Hirano

KT Kabushiki Kaisha Toshiba: 18 patents #1,647 of 21,451Top 8%
NT Nuflare Technology: 9 patents #46 of 298Top 20%
Mitsubishi Electric: 5 patents #5,859 of 25,717Top 25%
NE Nec: 4 patents #3,388 of 14,502Top 25%
TC Toshiba Machine Co.: 2 patents #34 of 186Top 20%
TO Topcon: 2 patents #309 of 684Top 50%
TK Toshiba Kikai: 1 patents #381 of 713Top 55%
TK Tokyo Kogaku Kikai: 1 patents #65 of 143Top 50%
Overall (All Time): #110,975 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
5151754 Method and an apparatus for measuring a displacement between two objects and a method and an apparatus for measuring a gap distance between two objects Yoriyuki Ishibashi, Jun Nishida 1992-09-29
5100234 Method and apparatus for aligning two objects, and method and apparatus for providing a desired gap between two objects Yoriyuki Ishibashi, Kyoji Yamashita 1992-03-31
4988197 Method and apparatus for aligning two objects, and method and apparatus for providing a desired gap between two objects Yoriyuki Ishibashi, Kyoji Yamashita 1991-01-29
4838693 Method and apparatus for setting a gap between first and second objects to a predetermined distance Norio Uchida, Yoriyuki Ishibashi, Masayuki Masuyama, Hiroaki Shimozono 1989-06-13
4637845 Method of manufacturing semiconductor light emitting device 1987-01-20
4561096 Buried semiconductor laser avoiding thyristor action Hirofumi Namizaki, Hideyo Higuchi, Etsuji Oomura, Yasushi Sakakibara, Wataru Susaki 1985-12-24
4504328 Liquid phase epitaxial growth technique Hirofumi Namizaki, Wataru Susaki, Toshio Tanaka 1985-03-12