KM

Katsumi Maehara

NA Nabco: 2 patents #16 of 74Top 25%
NS Nippon A B S: 1 patents #2 of 10Top 20%
NC Nippon Air Brake Co.: 1 patents #53 of 107Top 50%
Overall (All Time): #1,284,113 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5970711 Master cylinder having double structured seal ring Takeshi Kaneko, Yutaka Kawabe, Takaaki Ohnishi 1999-10-26
5611407 Driving force distribution control system for four wheel drive vehicle Hiroshi Ohkuma 1997-03-18
5168791 Liquid-operated booster Atsuhito Yamaguchi 1992-12-08
4844558 Brake fluid pressure control apparatus in skid control system Akira Ishii, Bernward Boening, Yoshifumi Akakabe 1989-07-04