SH

Shoichi Hamada

MM Mitsubishi Mining: 4 patents #189 of 2,247Top 9%
DC Dainichi-Nippon Cables: 1 patents #21 of 64Top 35%
Overall (All Time): #1,297,739 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5097110 Reflecting mirror for a laser beam and laser beam welding apparatus, including the same laser beam reflecting mirror Isao Shirasu, Tadashi Nagashima, Takashi Akaba, Shuhei Kuri, Takuya Kidera +4 more 1992-03-17
4839495 Laser beam welding apparatus for an inner circumferential surface of a tube Takuya Kitera, Shoichi Urushibata, Masatoshi Sato, Tadashi Nagashima, Isao Shirasu +6 more 1989-06-13
4793056 Plug removal apparatus Hideyuki Kurokawa, Makoto Ohta 1988-12-27
4735483 Fiber scope Takao Kuroiwa, Sunao Oshibe, Atsushi Utsumi, Toshiyuki Nakajima, Kohei Morisaki +3 more 1988-04-05