HY

Hozo Yamazaki

MC Mitsubishi Chemical: 3 patents #118 of 716Top 20%
Overall (All Time): #1,669,920 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4808395 High-quality coloring carbon black and process for its production Shushichi Yoshimura, Makoto Ishizu, Hiromu Kobayashi 1989-02-28
4693879 Ultrasonic vibration sieving apparatus and process for purifying carbon black by using the apparatus Shushichi Yoshimura, Yasunori Hiwatashi, Hiromu Kobayashi, Nobu Nishino, Teruji Tahara +1 more 1987-09-15
4631180 Process for producing carbon black Syushichi Yoshimura, Hiromu Kobayashi, Yoshikazu Toyonaga, Masanori Karatsu 1986-12-23