YH

Yoshio Harakawa

UN Unknown: 7 patents #1,646 of 83,584Top 2%
TC Teikoku Piston Ring Co.: 6 patents #8 of 95Top 9%
AC Alps Electric Co.: 2 patents #822 of 2,177Top 40%
RF Research Development Foundation: 1 patents #152 of 362Top 45%
YK Yoshida Kogyo K.K.: 1 patents #252 of 468Top 55%
Overall (All Time): #888,165 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5840095 Method and apparatus for producing flat metal powder directly from melt Taizo Kawamura, Hitoshi Yamaguchi 1998-11-24
5605560 Method of producing an atomized alloy power Yasuichi Ono, Akihiro Makino, Akihisa Inoue, Tsuyoshi Masumoto 1997-02-25
5458702 Alloy powder, dispersion-type conductor using the same Yasuichi Ono, Akihiro Makino, Akihisa Inoue, Tsuyoshi Masumoto 1995-10-17
5198042 Aluminum alloy powders for coating materials, and coating materials containing the alloy powders Tsuyoshi Masumoto, Akihisa Inoue, Kazuhiko Kita, Masahiro Oguchi 1993-03-30
5013346 Method of making additive powders for coating materials or plastics Tsuyoshi Masumoto, Akihisa Inoue, Masahiro Oguchi 1991-05-07
4891068 Additive powders for coating materials or plastics Tsuyoshi Masumoto, Akihisa Inoue, Masahiro Oguchi 1990-01-02