Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11184475 | Mobile apparatus, terminal apparatus, information processing system, information processing method, program for mobile apparatus, and program for terminal apparatus | Shunichiro Nagao, Masashi Takano, Hirofumi SHIMOKAWA | 2021-11-23 |
| 6248687 | Process for presulfurizing a desulfurization catalyst used in a hydrodesulfurization unit of petroleum refinery and presulfurization promoter | Hirokazu Itoh, Kazuaki Abe, Yoshihiro Arita, Einosuke Jodo, Tetsushi Kawamura | 2001-06-19 |
| 6103102 | Method for improving the yield of lighter components in heat-refining process of petroleum heavy oil, and additive used in the method | Toshifumi Hatanaka, Tetsushi Kawamura, Hirokazu Itoh, Yoshihiro Arita | 2000-08-15 |
| 5965011 | Method for reducing deposition of cokes in heat-refining process of petroleum high-molecular hydrocarbons, and additive used in the method | Toshifumi Hatanaka, Tetsushi Kawamura, Hirokazu Itoh, Yoshiro Arita | 1999-10-12 |