Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11145862 | Positive electrode active substance for lithium secondary battery, method for producing the same and lithium secondary battery | Tomonao Naruhashi, Minoru Fukuchi | 2021-10-12 |
| 11067082 | Screw compressor | Kazuki Tsugihashi, Yoshio Yano, Toshiyuki Miyatake | 2021-07-20 |
| 10947976 | Screw compressor | Yoshio Yano, Toshiyuki Miyatake | 2021-03-16 |