MB

Masuo Ban

Shimano: 6 patents #227 of 759Top 30%
SI Shimano Industrial: 5 patents #15 of 60Top 25%
Canon: 2 patents #12,681 of 19,416Top 70%
Overall (All Time): #365,551 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12386102 Optical element, optical system, and optical apparatus Kazue Uchida 2025-08-12
12164081 Optical element, optical system, and optical apparatus Kazue Uchida 2024-12-10
7188794 Spinning-reel oscillating device Keigo Kitajima, Taisei Morise 2007-03-13
7163168 Spinning reel handle assembly Ken'ichi Sugawara, Shingo Matsuo 2007-01-16
5755390 Spinning reel and rotor having improved dynamic balance 1998-05-26
5362012 Spinning reel having an improved pinion gear support structure 1994-11-08
5350130 Spinning reel with removable cover Yasuhiro Hitomi, Noboru Sakaguchi 1994-09-27
5301898 Outer spool type spinning reel having improved bail arm control mechanism Osamu Yoshikawa 1994-04-12
4614314 Spinning reel 1986-09-30
4591108 Dragging device for a spinning reel 1986-05-27
4572448 Dragging device for a spinning reel 1986-02-25
4562976 Arm roller supporting device for a spinning reel 1986-01-07
4202508 Spinning type fishing reel Takuo Ishida 1980-05-13