Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10214671 | Refrigerator oil and working fluid composition for refrigerator | Yuji Shimomura | 2019-02-26 |
| 9321948 | Refrigerator oil and working fluid composition for refrigerator | Yuji Shimomura | 2016-04-26 |
| 9296976 | Lubricating oil composition | Tomonari Matsumoto, Fumiyuki Nara, Takeshi Okido | 2016-03-29 |
| 9090806 | Refrigerant oil for freezers and operating fluid composition for freezers | Yuji Shimomura, Masanori Saito, Ken Sawada, Takeshi Okido | 2015-07-28 |
| 9005470 | Refrigerating machine oil and working fluid composition for refrigerating machines | Masanori Saito, Takeshi Okido, Kuniko Takahashi | 2015-04-14 |
| 8889031 | Working fluid composition for refrigerator machine and refrigerating machine oil | Ken Sawada, Kuniko Takahashi, Hiroko Shimpo | 2014-11-18 |
| 8796193 | Refrigerating machine oil compositions | Kazuo Tagawa, Yuji Shimomura, Toshiyuki Obata | 2014-08-05 |
| 8318040 | Refrigerator oil and working fluid composition for refrigerating machine | Ken Sawada, Yuji Shimomura | 2012-11-27 |
| 8299006 | Compressor oil composition | Kazuo Tagawa, Yuji Shimomura, Ken Sawada, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-10-30 |
| 8247360 | Heat treating oil composition | Kazuo Tagawa, Yuji Shimomura, Ken Sawada, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-08-21 |
| 8236740 | Lubricating oil composition | Kazuo Tagawa, Yuji Shimomura, Ken Sawada, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-08-07 |
| 8232233 | Lubricating oil composition for machine tools | Kazuo Tagawa, Yuji Shimomura, Ken Sawada, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-07-31 |
| 8227388 | Hydraulic oil composition | Kazuo Tagawa, Yuji Shimomura, Ken Sawada, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-07-24 |
| 8227387 | Metalworking oil composition | Kazuo Tagawa, Yuji Shimomura, Ken Sawada, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-07-24 |
| 8193129 | Refrigerator oil, compressor oil composition, hydraulic fluid composition, metalworking fluid composition, heat treatment oil composition, lubricant composition for machine tool and lubricant composition | Kazuo Tagawa, Yuji Shimomura, Ken Sawada, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-06-05 |
| 8083965 | Refrigerating machine oil | Kazuo Tagawa | 2011-12-27 |
| 7993543 | Refrigerating machine oil for carbon dioxide refrigerant | Kazuo Tagawa, Ken Sawada, Yuji Shimomura, Jiro Hashimoto, Masataka Negishi | 2011-08-09 |
| 7959824 | Refrigerating machine oil composition | Kazuo Tagawa | 2011-06-14 |
| 7045490 | Refrigerating machine oil composition | Yuji Shimomura | 2006-05-16 |
| 6936576 | Refrigerating machine oil, and fluid composition for refrigerating machine | Tomomasa Ohsumi | 2005-08-30 |
| 6831045 | Refrigerating machine oil composition | Yuji Shimomura | 2004-12-14 |
| 6251300 | Refrigerator oil compositions and fluid compositions for refrigerator | Umekichi Sasaki, Satoshi Suda | 2001-06-26 |
| 6207071 | Fluid composition comprising HFC refrigerant and alkylbenzene-based refrigerator oil | Umekichi Sasaki, Satoshi Suda | 2001-03-27 |
| 5817251 | Fluid composition for use in a refrigerating machine in which the refrigerating machine oil is at least one hydrocarbon compound of a formula consisting of a biphenyl group | Umekichi Sasaki, Satoshi Suda | 1998-10-06 |
| 5746933 | Lubricating oil and composition for refrigerating machine, and refrigerating machine | Noboru Ishida, Umekichi Sasaki, Satoshi Suda | 1998-05-05 |