MU

Masashi Umemura

AK Asahi Denka Kogyo: 1 patents #75 of 196Top 40%
AK Asahi Denka Kogyo K.K.: 1 patents #47 of 162Top 30%
TC Toyo Seikan Co.: 1 patents #498 of 888Top 60%
Overall (All Time): #2,344,626 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4692256 Molybdenum-containing lubricant composition Masanori Konishi, Aritoshi Fukushima, Junichi Hisano, Toshiaki Okamoto 1987-09-08
4581152 Water-soluble coolant for formation of drawn and ironed cans Hisashi Hotta, Toshiyuki Noda, Yoshiharu Tobita, Isao Watabiki, Yasu Ishimoto +1 more 1986-04-08