Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5393403 | Probe using a mixed sub-electrode for measuring the activity of carbon in molton iron | Yoshihiko Kawai, Yoshiteru Kikuchi, Toshio Takaoka, Hiromi Seno, Chikayashi Furuta +1 more | 1995-02-28 |
| 5011798 | Chromium additive and method for producing chromium alloy using the same | Masao Imamura, Yasunobu Yoshida, Shinya Andoh, Hiroshi Miyake | 1991-04-30 |
| 4830727 | Composite probe for measuring the concentration of an impurity element in molten iron | Nobuo Hamada, Toshio Nagatsuka | 1989-05-16 |
| 4598879 | Drag mechanism for a spinning reel | Chikara Fujigiwa | 1986-07-08 |