HS

Hitoshi Sakamoto

MC Mitsubishi Gas Chemical Company: 2 patents #14 of 132Top 15%
AC Akebono Research And Development Centre: 1 patents #7 of 18Top 40%
Overall (1994): #31,716 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5372702 Composition for use in the production of composite carbon materials, composition carbon material produced therefrom, and process for producing the same Takashi Kojima 1994-12-13
5279777 Process for the production of friction materials Takashi Kojima, Nobuo Kamioka, Hiroshi Tokumura 1994-01-18