Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11193082 | Wax isomerized oil | Fuyuki Aida, Koshi TAKAHAMA | 2021-12-07 |
| 10894842 | Method for producing oligomer and catalyst | Fuyuki Aida | 2021-01-19 |
| 10815317 | Method for producing oligomer and catalyst | Fuyuki Aida | 2020-10-27 |
| 10400047 | Olefin polymerization catalyst and method for producing olefin oligomer | Fuyuki Aida | 2019-09-03 |
| 9783757 | Poly(meth)acrylate-based viscosity index improver, lubricant additive and lubricant composition containing viscosity index improver | Shigeki Matsui, Hiroya Miyamoto, Hiromitsu Matsuda, Akira Takagi, Ryuichi Ueno | 2017-10-10 |
| 8933247 | Succinimide compound, lubricating oil additive, and lubricating oil composition | Miho Endou | 2015-01-13 |
| 8796193 | Refrigerating machine oil compositions | Yuji Shimomura, Toshiyuki Obata, Katsuya Takigawa | 2014-08-05 |
| 8754016 | Lubricant base oil, method for production thereof, and lubricant oil composition | Shinichi Shirahama, Masahiro Taguchi | 2014-06-17 |
| 8703663 | Lubricant base oil and a process for producing the same, and lubricating oil composition | — | 2014-04-22 |
| 8648021 | Lubricant base oil and a process for producing the same, and lubricating oil composition | Shigeki Matsui | 2014-02-11 |
| 8603953 | Operating oil for buffer | Tooru Aoki, Shinichi Shirahama | 2013-12-10 |
| 8563486 | Lubricant composition and method for producing same | Teppei Tsujimoto, Shigeki Matsui | 2013-10-22 |
| 8546312 | Lubricant oil composition for internal combustion engine | — | 2013-10-01 |
| 8394745 | Lube base oil, process for production thereof, and lubricating oil composition | Takashi Sano, Shinichi Shirahama, Kenichi Komiya, Shigeki Matsui, Osamu Kurosawa | 2013-03-12 |
| 8299006 | Compressor oil composition | Yuji Shimomura, Ken Sawada, Katsuya Takigawa, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-10-30 |
| 8247360 | Heat treating oil composition | Yuji Shimomura, Ken Sawada, Katsuya Takigawa, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-08-21 |
| 8236740 | Lubricating oil composition | Yuji Shimomura, Ken Sawada, Katsuya Takigawa, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-08-07 |
| 8232233 | Lubricating oil composition for machine tools | Yuji Shimomura, Ken Sawada, Katsuya Takigawa, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-07-31 |
| 8227388 | Hydraulic oil composition | Yuji Shimomura, Ken Sawada, Katsuya Takigawa, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-07-24 |
| 8227384 | Lubricant base oil, method for production thereof, and lubricant oil composition | Shinichi Shirahama, Masahiro Taguchi | 2012-07-24 |
| 8227385 | Lubricant base oil, method for production thereof, and lubricant oil composition | Shinichi Shirahama, Masahiro Taguchi | 2012-07-24 |
| 8227387 | Metalworking oil composition | Yuji Shimomura, Ken Sawada, Katsuya Takigawa, 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 | Yuji Shimomura, Ken Sawada, Katsuya Takigawa, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-06-05 |
| 8105990 | Lube base oil, lubricating oil composition for internal combustion engine, and lubricating oil composition for drive transmission device | Shinichi Shirahama, Masahiro Taguchi, Takashi Sano, Shozaburo Konishi, Shigeki Matsui +1 more | 2012-01-31 |
| 8083965 | Refrigerating machine oil | Katsuya Takigawa | 2011-12-27 |