Issued Patents All Time
Showing 25 most recent of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12202054 | Tool driving device and method of producing drilled product | Masao Watanabe, Tatsuo Nakahata, Shinya Matsuo | 2025-01-21 |
| 12202057 | Drill and method of producing drilled product | Masao Watanabe, Hiroyuki Sugawara, Tatsuo Nakahata, Shinya Matsuo, Hideharu Takahashi | 2025-01-21 |
| 12090559 | Tool driving device and method of producing drilled product | Masao Watanabe, Tatsuo Nakahata | 2024-09-17 |
| 11976585 | Engine | Yuji Harada, Kenji Uchida, Masayuki Kidokoro, Kazuhiro Nagatsu | 2024-05-07 |
| 11969803 | Drill and method of producing drilled product | Masao Watanabe, Tatsuo Nakahata, Hiroyuki Sugawara, Shinya Matsuo, Hideharu Takahashi | 2024-04-30 |
| 11938553 | Hole finishing tool and method of producing hole finished product | Masao Watanabe, Tatsuo Nakahata | 2024-03-26 |
| 11891973 | Engine system | Yuji Harada, Kenji Uchida | 2024-02-06 |
| 11834981 | Engine | Yuji Harada, Kenji Uchida, Masayuki Kidokoro, Kazuhiro Nagatsu | 2023-12-05 |
| 11821353 | Engine and method of manufacturing the same | Yuji Harada, Kenji Uchida | 2023-11-21 |
| 11767817 | Engine system | Yuji Harada, Kenji Uchida | 2023-09-26 |
| 11767816 | Engine system | Yuji Harada, Kenji Uchida | 2023-09-26 |
| 11753985 | Engine | Yuji Harada, Kenji Uchida, Masayuki Kidokoro, Kazuhiro Nagatsu | 2023-09-12 |
| 11692477 | Engine system | Yuji Harada, Kenji Uchida | 2023-07-04 |
| 11686243 | Engine system | Yuji Harada, Kenji Uchida | 2023-06-27 |
| 11655751 | Engine | Yuji Harada, Kenji Uchida, Masayuki Kidokoro, Kazuhiro Nagatsu | 2023-05-23 |
| 11598624 | Feeding device of hole inspection device | Masao Watanabe, Tatsuo Nakahata | 2023-03-07 |
| 11598245 | Engine system | Yuji Harada, Kenji Uchida | 2023-03-07 |
| 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 |
| 11326543 | Control apparatus for compression-ignition type engine | Kota Matsumoto, Tomonori Urushihara, Keiji Maruyama, Masanari Sueoka, Yuji Harada +8 more | 2022-05-10 |
| 11326508 | 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 |