Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12180555 | Blast furnace operation method | Hiroshi Sakai, Koki Nishioka | 2024-12-31 |
| 11977405 | Reference voltage generator circuit such as band gap reference voltage generator circuit, and method of generating reference voltage | Yohkoh Hirose | 2024-05-07 |
| 5540362 | Liquid soap supplying device | Tsutomu Azuma, Yojiro Taketomi, Akimitsu Umemoto | 1996-07-30 |
| 5423461 | Liquid soap supplying device | Tsutomu Azuma, Yojiro Taketomi, Akimitsu Umemoto | 1995-06-13 |