SM

Shigeo Maruyama

Canon: 6 patents #8,497 of 19,416Top 45%
Pioneer Electronic: 2 patents #804 of 1,840Top 45%
SC Shin Meiwa Industry Co.: 1 patents #23 of 74Top 35%
Overall (All Time): #589,814 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5896363 Tray loading device of a CD player Toshirou Yamashita, Tatsuya Yanagisawa, Tomomichi Kimura, Taichi Sato, Takashi Ota 1999-04-20
5650985 Apparatus for locking a movable member of a CD player Fumiya Yamada, Kiyohito Kajihara, Toshinori Kaya, Jun Togashi 1997-07-22
5116114 Ophthalmologic apparatus Yukitsugu Nakamura, Yoshimasa Hamano, Takashi Masuda, Isao Matsumura, Kazunobu Kobayashi 1992-05-26
5056522 Supersonic ophthalmic measuring apparatus Isao Matsumura, Takashi Masuda, Yoshimasa Hamano, Yukitsugu Nakamura, Kazunobu Kobayashi 1991-10-15
4421391 Auto eye-refractometer Isao Matsumura, Yasuyuki Ishikawa, Reiji Hirano, Yoshimi Kohayakawa 1983-12-20
4376573 Apparatus for measuring the refractive power of the eye Isao Matsumura, Yasuyuki Ishikawa, Reiji Hirano, Yoshimi Kohayakawa 1983-03-15
4372655 Automatic eye-refractometer Isao Matsumura, Yasuyuki Ishikawa, Reiji Hirano, Yoshimi Kohayakawa 1983-02-08
4293198 Eye refractometer Yoshimi Kohayakawa, Yasuyuki Ishikawa 1981-10-06
4233491 Method and apparatus for controlling increment type position control apparatus Yuji Nishikaichi, Shigeki Fujinaga, Tatsuya Miura 1980-11-11