Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10836975 | Refrigerator oil | Hitoshi Takahashi, Kentaro Yamaguchi, Fumiyuki Nara | 2020-11-17 |
| 10611984 | Refrigerator oil, and working fluid composition for refrigerators | Hitoshi Takahashi, Ken Sawada, Akira Tada | 2020-04-07 |
| 10550351 | Refrigerator oil and refrigerator working fluid composition | Hitoshi Takahashi, Tsutomu Takahashi, Akira Tada | 2020-02-04 |
| 10513666 | Refrigerator oil and working fluid composition for refrigerators | Hitoshi Takahashi, Kentaro Yamaguchi, Yohei Shono | 2019-12-24 |
| 10414962 | Working fluid composition for refrigerator | Masanori Saito, Takeshi Okido, Kuniko Adegawa | 2019-09-17 |
| 10400191 | Refrigerating machine oil, and working fluid composition for refrigerating machines | — | 2019-09-03 |
| 10351793 | Refrigerator oil and working fluid composition for refrigerators | Hitoshi Takahashi, Takeshi Okido | 2019-07-16 |
| 10323208 | Refrigerator oil and working fluid composition for refrigerator | Hitoshi Takahashi, Hiroko Shimpo, Ken Sawada, Kentaro Yamaguchi | 2019-06-18 |
| 10253276 | Refrigerating-machine oil and working-fluid composition for refrigerating machine | Hitoshi Takahashi, Tsutomu Takahashi | 2019-04-09 |
| 10144855 | Working fluid composition for refrigerator | Masanori Saito, Takeshi Okido, Kuniko Adegawa | 2018-12-04 |
| 10053647 | Working fluid composition for refrigerator, and refrigerator oil | Masataka Muto, Hajime Mukawa, Takekazu Kano, Genki Hayashi, Kazuki Yamamoto +4 more | 2018-08-21 |
| 10053644 | Refrigerator oil, and working fluid composition for refrigerators | Hitoshi Takahashi, Tsutomu Takahashi, Takeshi Okido, Hiroko Shimpo | 2018-08-21 |
| 10047315 | Refrigeration oil and working fluid composition for refrigeration oil | Hitoshi Takahashi, Tsutomu Takahashi | 2018-08-14 |
| 10023823 | Refrigerator oil and working fluid composition for refrigerator | Hitoshi Takahashi, Hiroko Shimpo, Ken Sawada, Kentaro Yamaguchi | 2018-07-17 |
| 10005981 | Refrigerator oil, and working fluid composition for refrigerators | Hitoshi Takahashi, Ken Sawada, Akira Tada | 2018-06-26 |
| 9834737 | Refrigerator oil composition and refrigerator | Hitoshi Takahashi, Ken Sawada, Akira Tada | 2017-12-05 |
| 9783762 | Working fluid composition for refrigerating machine and refrigerating machine oil | Hitoshi Takahashi, Takeshi Okido, Hiroko Shimpo | 2017-10-10 |
| 9737881 | Method of producing regenerated hydrotreating catalyst and method of producing petroleum products | Yoshimu Iwanami, Takashi Sano, Tomohiro Konishi, Makoto Nakamura | 2017-08-22 |
| 9732263 | Working fluid composition for refrigerating machine | Masanori Saito, Kuniko Adegawa | 2017-08-15 |
| 9725630 | Working fluid composition for refrigerator | Takeshi Okido | 2017-08-08 |
| 9719001 | Working fluid composition for refrigerator | Takeshi Okido | 2017-08-01 |
| 9676983 | Cooling-equipment working-fluid composition | Masanori Saito, Takeshi Okido, Kuniko Adegawa | 2017-06-13 |
| 9587196 | Working fluid composition for refrigerator and refrigeration oil | Hitoshi Takahashi, Ken Sawada, Akira Tada | 2017-03-07 |
| 8795514 | Regenerated hydrotreatment catalyst | Nobuharu Kimura, Yoshimu Iwanami, Wataru Sahara | 2014-08-05 |
| 8722558 | Process for producing regenerated hydrotreating catalyst and process for producing petrochemical product | Yoshimu Iwanami, Wataru Sahara, Nobuharu Kimura | 2014-05-13 |