Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9499415 | Ultraviolet irradiation apparatus | Kenichiro Deguchi, Satoshi Yamaguchi, Takashi Fujii | 2016-11-22 |
| 5421852 | Hard alloy and its manufacturing method | Masao Maruyama, Minori Shirane | 1995-06-06 |
| 5254325 | Process and apparatus for preparing carbon black | Hiroshi Yamasaki, Yasuhiro Sagara, Kazuaki Shinohara, Masaki Kurihara, Takaaki Kanai | 1993-10-19 |
| 4457694 | Automatic air-fuel ratio control apparatus | Yasunori Maeda | 1984-07-03 |