HS

Hitoshi Shigematsu

MC Maruzen Petrochemical Co.: 2 patents #56 of 174Top 35%
Overall (All Time): #2,223,515 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6194344 Process for preparing carbonaceous material carrying ultrafinely dispersed metal Masatoshi Tsuchitani, Ryoichi Nakajima, Kiyotaka Suzuki, Katsutoshi Nishitani 2001-02-27
4988791 Non-linear phosphazene polymer having schiff base structures, process for the preparation thereof, and curable phosphazene composition Isao Maruyama, Hiroshi Fujiwara, Yoshiharu Ito 1991-01-29