MT

Masaaki Tsukamoto

KS Kawasaki Steel: 1 patents #13 of 64Top 25%
NK Nippon Kogaku K.K.: 1 patents #37 of 82Top 50%
Overall (1982): #10,143 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4353533 Bottom tuyeres in an oxygen top-blown converter Tatsukichi Chino, Takuo Imai, Ryuichi Asaho, Nagayasu Bessho, Kyoji Nakanishi 1982-10-12
4326785 Camera having a connector common to a flash bulb unit and an electronic flash unit Yuji Ohkubo, Naoki Tomino 1982-04-27