YT

Yoshimasa Tsukamoto

MM Mitsubishi Mining: 2 patents #467 of 2,247Top 25%
MI Mitsubishi Cable Industries: 1 patents #162 of 372Top 45%
SC Shinsei Co.: 1 patents #3 of 12Top 25%
Overall (All Time): #2,298,858 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5218258 Ultrasonic motor and laser beam welding apparatus using the same Isao Shirasu, Takashi Akaba, Tadashi Nagashima, Kyoichi Yoshioka, Toshiiku Sashida 1993-06-08
5177808 Optical energy beam transmission path structure Takeshi Satake, Tokuji Hayashi, Masayoshi Hachiwaka, Masakatsu Kimura, Koichi Suzuki +2 more 1993-01-05