KM

Kiyohito Misumi

NC Nippon Tungsten Co.: 2 patents #5 of 10Top 50%
SC Sumitomo Special Metals Co.: 1 patents #13 of 29Top 45%
Overall (1989): #22,145 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4874725 High-density sintered article of silicon carbid Mitsuhiko Furukawa, Takashi Kitahira, Sakae Tanaka 1989-10-17
4859638 Magnetic head sliders, materials therefor, and the process for the production thereof Toshiaki Wada, Yoshiaki Katsuyama, Mitsuhiko Furukawa, Takashi Kitahira, Michito Miyahara +1 more 1989-08-22