SI

Souji Ichikawa

MI Mitutoyo: 7 patents #135 of 721Top 20%
MC Mitutoyo Mfg. Co.: 4 patents #12 of 118Top 15%
Overall (All Time): #429,480 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
5204524 Two-dimensional optical encoder with three gratings in each dimension Mikio Suzuki, Wataru Ishibashi, Shingo Kuroki 1993-04-20
5198663 Angular velocity sensor with displacement scale and sensor means Mikio Suzuki, Wataru Ishibashi, Shingo Kuroki, Toshiro Horikawa 1993-03-30
5067816 Optical encoder 1991-11-26
5026164 Optical encoder 1991-06-25
4991125 Displacement detector 1991-02-05
4985623 Diffraction-type optical encoder with improved detection signal insensitivity to optical grating gap variations Hideki Oka, Naoyoshi Terao, Seiji Sakagami 1991-01-15
4983825 Diffraction type optical encoder with improved detection signal insensitivity to optical grating gap variations Hideki Oka, Naoyoshi Terao, Seiji Sakagami 1991-01-08
4943716 Diffraction-type optical encoder with improved detection signal insensitivity to optical grating gap variations Hideki Oka, Naoyoshi Terao, Seiji Sakagami 1990-07-24
4912322 Optical type displacement detecting device 1990-03-27
4605274 Cable connecting device 1986-08-12
4569137 Linear scale type displacement measuring device and main scale attaching method thereof 1986-02-11
4492033 Linear scale type displacement measuring instrument 1985-01-08