Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5487425 | Composition and method for recovery of petroleum and gas | Keietsu Kato, Yoshiyuki Yamaguchi, Masami Murakami, Shogo Suzuki, Shoichi Kanda +1 more | 1996-01-30 |
| 4730925 | Method of spectroscopically determining the composition of molten iron | Koichi Chiba, Akihiro Ono, Masaki Okajima, Hiroshi Yamane, Minoru Hayata | 1988-03-15 |
| 4198229 | Method of dephosphorization of metal or alloy | Hiroyuki Katayama, Makoto Inatomi, Hiroyuki Kajioka, Yasushi Nakamura, Michihisa Ito +1 more | 1980-04-15 |