Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7270689 | Reformer | Fumitake Watanabe, Katsuya Uehara, Yukuo Katayama | 2007-09-18 |
| 7201889 | Fuel reforming method and system | Keiji Murata, Kazuaki Nakagawa, Yoshikazu Hagiwara, Kazuya Yamada, Mitsutoshi Hamamura +1 more | 2007-04-10 |
| 6203730 | Method for granulation and granulator | Tetsuzo Honda, Kimikazu Kido, Yuzuru Yanagisawa | 2001-03-20 |
| 6200540 | Urea synthesis apparatus | Yasuhiko Kojima | 2001-03-13 |
| 6093850 | Process for the synthesis of urea and equipment therefor | Yasuhiko Kojima | 2000-07-25 |
| 6060125 | Method and apparatus for controlling opening and closing speed of dispensing gun valve mechanism | — | 2000-05-09 |
| 5965071 | Process for preparing granular urea | Haruyuki Morikawa | 1999-10-12 |
| 5936122 | Urea synthesis process and apparatus therefor | Yasuhiko Kojima | 1999-08-10 |
| 4864059 | Process for producing urea | — | 1989-09-05 |
| 4504679 | Process for synthesizing urea | Shigeru Inoue, Hiroshi Ono, Akito Fukui, Haruyuki Morikawa, Suguru Watanabe | 1985-03-12 |
| 4365089 | Synthesis of urea | Hiroshi Ono, Shigeru Inoue | 1982-12-21 |
| 4354040 | Process for synthesizing urea | Shigeru Inoue, Hiroshi Ono | 1982-10-12 |
| 4321410 | Method of stripping unreacted materials in urea synthesis process | Hiroshi Ono, Haruyuki Morikawa, Akito Fukui | 1982-03-23 |