YH

Yoshitoshi Hagiwara

Honda Motor Co.: 7 patents #3,151 of 21,052Top 15%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
YC Yutaka Giken Co.: 1 patents #56 of 161Top 35%
Overall (All Time): #656,185 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8046916 Method of, and apparatus for, manufacturing metallic bellows Tetsuaki Nakayama, Nobuyuki Yoshitoshi 2011-11-01
6139659 Titanium alloy made brake rotor and its manufacturing method Kyo Takahashi, Masahiro Yoshida 2000-10-31
6110303 Titanium alloy made brake rotor and its manufacturing method Kyo Takahashi, Masahiro Yoshida 2000-08-29
6068094 Sintered friction material Kyo Takahashi, Masahiro Yoshida, Katsuyoshi Kondoh, Yoshishige Takano, Yukinori Yamashita 2000-05-30
5922452 Titanium and/or titanium alloy sintered friction material Kyo Takahashi, Masahiro Yoshida, Katsuyoshi Kondoh, Yoshishige Takano, Yukinori Yamashita 1999-07-13
4959276 Heat-resistant, wear-resistant and high-strength Al-Si alloy, and cylinder liner employing same Eitaro Koya, Tetsuya Hayashi, Yoshinobu Takeda 1990-09-25
4781660 V-pulley for a continuously variable transmission Atsushi Amataka, Mikio Kubo 1988-11-01
4527839 Synthetic wheel formed from two halves Nobuo Fujitaka, Masaru Fujisaki 1985-07-09