Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D586453 | Heat proof guard rail for industrial furnaces | Katsuhiro Yusa, Yasushi Okada | 2009-02-10 |
| D577114 | Heat proof guard rail for industrial furnaces | Katsuhiro Yusa, Yasushi Okada | 2008-09-16 |
| 4822538 | Process for producing a carbonaceous thin plate | Akio Yoshida, Masaru Hiruta, Hatsuo Saito | 1989-04-18 |
| 4451590 | Organic friction material | Hiroto Fujimaki, Kazuhiro Watanabe | 1984-05-29 |
| 4386168 | Organic friction material | Hiroto Fujimaki, Kazuhiro Watanabe | 1983-05-31 |
| 4278584 | Organic friction material | Kazuo Noguchi, Hiroto Fujimaki, Kiyoshi Tagaya, Kazutoshi Takada, Kensuke Okuda | 1981-07-14 |