Issued Patents 2022
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11524346 | Rotary cutting tool, rotary cutting unit, and rotary cutting method | Masao Watanabe, Tatsuo Nakahata | 2022-12-13 |
| 11448156 | Control apparatus for compression-ignition type engine | Kota Matsumoto, Tomonori Urushihara, Keiji Maruyama, Masanari Sueoka, Yuji Harada +8 more | 2022-09-20 |
| 11400524 | Drill and method of producing drilled product | Masao Watanabe, Tatsuo Nakahata, Hiroyuki Sugawara | 2022-08-02 |
| 11383338 | Tool driving device, tool feeding mechanism for tool rotating unit and hole processing method | Masao Watanabe, Tatsuo Nakahata | 2022-07-12 |
| 11370038 | Drill, drilling unit, and drilling method | Masao Watanabe, Tatsuo Nakahata | 2022-06-28 |
| 11326508 | Control apparatus for compression-ignition type engine | Kota Matsumoto, Tomonori Urushihara, Keiji Maruyama, Masanari Sueoka, Yuji Harada +8 more | 2022-05-10 |
| 11326543 | Control apparatus for compression-ignition type engine | Kota Matsumoto, Tomonori Urushihara, Keiji Maruyama, Masanari Sueoka, Yuji Harada +8 more | 2022-05-10 |
| 11313269 | Control apparatus for compression-ignition type engine | Kota Matsumoto, Tomonori Urushihara, Keiji Maruyama, Masanari Sueoka, Yuji Harada +8 more | 2022-04-26 |
| 11300526 | Positioning device, hole inspection device, positioning method and hole inspection method | Tatsuo Nakahata, Masao Watanabe | 2022-04-12 |
| 11220972 | Control apparatus for compression-ignition type engine | Kota Matsumoto, Tomonori Urushihara, Keiji Maruyama, Masanari Sueoka, Yuji Harada +8 more | 2022-01-11 |
| 11220971 | Control apparatus for compression-ignition type engine | Kota Matsumoto, Tomonori Urushihara, Keiji Maruyama, Masanari Sueoka, Yuji Harada +8 more | 2022-01-11 |
| 11215109 | Internal combustion engine with pre-chamber | Kenji Uchida, Yuji Harada | 2022-01-04 |
| 11213899 | Drill, drilling unit, and drilling method | Tatsuo Nakahata, Masao Watanabe | 2022-01-04 |