YS

Yoshio Sohama

MK Mitsui Kinzoku Kogyo: 3 patents #18 of 99Top 20%
MC Mitsui Mining & Smelting Co.: 2 patents #281 of 838Top 35%
Overall (All Time): #1,036,833 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6860941 METHOD FOR MANUFACTURING HIGH-PURITY POTASSIUM FLUORONIOBATE CRYSTAL, RECRYSTALLIZATION BATH USED IN MANUFACTURING METHOD THEREOF AND HIGH-PURITY POTASSIUM FLUOROTANTALATE CRYSTAL OR HIGH-PURITY POTASSIUM FLUORONIOBATE CRYSTAL OBTAINED BY MANUFACTURING METHOD THEREOF Hiromichi Isaka, Kenji Higashi, Masanori Kinoshita 2005-03-01
6641641 Method for producing metal or metal compound comprising process of treating with fluorine and adjusted raw material used therein Hiromichi Isaka, Hiroyuki Watanabe 2003-11-04
5068150 Copper powder for electroconductive paints and electroconductive paint compositions Yoshinobu Nakamura, Kanetaro Sannohe, Toru Iwasaki, Sumiko Yamano 1991-11-26
4888216 Copper powder for electroconductive paints and process for production thereof Kanetaro Sannohe, Hirohisa Senzaki 1989-12-19
4833033 Resin coated copper powder for electroconductive paints Kanetaro Sannohe, Hirohisa Senzaki 1989-05-23