Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7097682 | Ventilation filter medium for container, and container and container cap equipped with ventilation filter medium | Osamu Tanaka, Hideyuki Kiyotani, Yoshiyuki Shibuya, Seiichi Hirano | 2006-08-29 |
| 5151206 | Acicular iron carbide particulate material and process for producing same | Kazuo Okamura, Ikuo Kitamura, Satoshi Koyama, Katsushi Tokunaga, Yoshiyuki Shibuya +1 more | 1992-09-29 |
| 5064474 | Process for removing fine particles from articles of fluorine-containing resin | Tomizo Soda, Mitsushi ITANO | 1991-11-12 |
| 5026605 | Coated iron carbide fine particles | Ikuo Kitamura, Satoshi Koyama, Katsushi Tokunaga, Kazuo Okamura | 1991-06-25 |
| 4842759 | Acicular process for producing particulate material | Kazuo Okamura, Ikuo Kitamura, Satoshi Koyama, Katsushi Tokunaga, Yoshiyuki Shibuya +1 more | 1989-06-27 |
| 4668414 | Process for producing acicular particles containing an iron carbide | Kazuo Okamura, Ikuo Kitamura, Satoshi Koyama, Katsushi Tokunaga | 1987-05-26 |
| 4562995 | Working fluids for Rankine cycle | Naonori Enjo, Masahiro Noguchi, Satoshi Ide | 1986-01-07 |
| 4465610 | Working fluids for rankine cycle | Naonori Enjo, Masahiro Noguchi | 1984-08-14 |
| 4459810 | Working fluids for use with rankine cycle | Naonori Enjo, Yuko Harada, Masahiro Noguchi | 1984-07-17 |
| 4428854 | Absorption refrigerant compositions for use in absorption refrigeration systems | Naonori Enjo | 1984-01-31 |
| 4309296 | Refrigerant mixture | Naonori Enjo | 1982-01-05 |
| 4278552 | Fluorine-containing betaine compounds, and production and use thereof | Iwao Hisamoto, Naonori Enjo, Chiaki Maeda, Takasige Esaka, Yukio Omure +1 more | 1981-07-14 |
| 4232525 | Working fluid for Rankine cycle | Naonori Enjo | 1980-11-11 |