HT

Hisaharu Toibana

MI Mitsui Petrochemical Industries: 6 patents #115 of 1,024Top 15%
Overall (All Time): #892,275 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5166034 Optical recording media and process for preparing same Mitsuyuki Kuroiwa, Akira Todo, Takeshi Minoda 1992-11-24
5079060 Optical recording media Mitsuyuki Kuroiwa, Takeshi Minoda, Akira Todo 1992-01-07
5061597 Optical recording media and process for preparing same Mitsuyuki Kuroiwa, Akira Todo, Takeshi Minoda 1991-10-29
4994354 Optical recording media Mitsuyuki Kuroiwa, Takeshi Minoda, Akira Todo 1991-02-19
4981777 Process for preparation of optical recording medium Mitsuyuki Kuroiwa, Koji Tsuzukiyama 1991-01-01
4960627 Optical recording media and process for preparing same Mitsuyuki Kuroiwa, Akira Todo 1990-10-02