OY

Osamu Yoshikawa

SM Smk: 28 patents #3 of 269Top 2%
Shimano: 15 patents #115 of 759Top 20%
Mitsubishi Electric: 9 patents #3,275 of 25,717Top 15%
YO Yoshikawa: 7 patents #1 of 2Top 50%
SH Shimadzu: 6 patents #288 of 2,007Top 15%
SI Shimano Industrial: 4 patents #18 of 60Top 30%
SC Saiden Chemical Industry Co.: 1 patents #7 of 21Top 35%
MC Mitsui Chemicals: 1 patents #1,270 of 2,279Top 60%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #32,603 of 4,157,543Top 1%
66
Patents All Time

Issued Patents All Time

Showing 51–66 of 66 patents

Patent #TitleCo-InventorsDate
5342003 Spinning reel Kenichi Sugawara, Takeshi Ikuta 1994-08-30
5328127 Spinning reel having a sealed front drag mechanism 1994-07-12
5312067 Spinning reel Kenichi Sugawara 1994-05-17
5308017 Spinning reel with a shock absorbing mechanism 1994-05-03
5301898 Outer spool type spinning reel having improved bail arm control mechanism Masuo Ban 1994-04-12
5279477 Sound producing apparatus for spinning reel 1994-01-18
5243404 Fourier transform spectrophotometer 1993-09-07
5221057 Spinning reel with one-way clutch mechanism 1993-06-22
5217552 Method of installing tile-like floor material Norihisa Miyajima, Issei Ozaki, Akio Tanimoto, Yasumasa Takao 1993-06-08
5164788 Method and apparatus for controlling reciprocation of movable mirror for photoacoustic Fourier transform spectroscopy 1992-11-17
5114232 Moving mirror velocity detection in an interference spectrophotometer Fumio Tsuji 1992-05-19
5081358 Detector of fourier transform infrared spectrometer 1992-01-14
4778123 Drag adjusting device for a closed-face type fishing reel 1988-10-18
4696437 Drag adjusting device for a closed-face type fishing reel 1987-09-29
4601437 Spinning reel 1986-07-22
4529142 Brake device for a spinning reel 1985-07-16