Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12397257 | Honeycomb filter | Fumihiko Yoshioka, Yuji Sasaki, Yasuyuki Furuta, Ritsuko Teranishi, Ayaka Sakai | 2025-08-26 |
| 12303873 | Exhaust gas purification catalyst | Kohei Takasaki, Yu Onohara, Keiichi Narita | 2025-05-20 |
| 12303877 | Exhaust gas purification catalyst | Ryota Onoe, Takahiro Noguchi, Kohei Takasaki | 2025-05-20 |
| 11883797 | Exhaust gas purification catalyst device | Kohei Takasaki | 2024-01-30 |
| 11224840 | Exhaust gas purification catalyst | Hiromasa Suzuki, Masahide Miura, Yoshinori Saito, Satoru Katoh, Toshitaka Tanabe +5 more | 2022-01-18 |
| 10731532 | Exhaust gas purification catalyst | Hiromasa Suzuki, Masahide Miura, Yoshinori Saito, Satoru Katoh, Toshitaka Tanabe +5 more | 2020-08-04 |
| 10611404 | Damper device and steering device | Yuki HANADA | 2020-04-07 |
| 10539056 | Exhaust gas purification catalyst | Hiromasa Suzuki, Masahide Miura, Yoshinori Saito, Satoru Katoh, Toshitaka Tanabe +5 more | 2020-01-21 |
| 10413895 | Exhaust gas purification catalyst | Hiromasa Suzuki, Masahide Miura, Yoshinori Saito, Satoru Katoh, Toshitaka Tanabe +5 more | 2019-09-17 |
| 10413885 | Exhaust gas purification catalyst | Hiromasa Suzuki, Yoshinori Saito, Shunsuke OHISHI, Takaya Ota | 2019-09-17 |
| 10357744 | Exhaust gas purification device | Shingo Sakagami, Tsuyoshi Ito, Ryota Onoe, Naoto Miyoshi, Masahiko Takeuchi +1 more | 2019-07-23 |
| 10323554 | Exhaust gas purification catalyst | Hiromasa Suzuki, Masahide Miura, Yoshinori Saito, Satoru Katoh, Toshitaka Tanabe +5 more | 2019-06-18 |
| 10307736 | Exhaust gas purification catalyst | Yoshinori Saito, Hiromasa Suzuki, Keiichi Narita, Ryota Nakashima, Mitsuyoshi Okada +2 more | 2019-06-04 |
| 10201805 | Exhaust gas purification apparatus | Shingo Sakagami, Tsuyoshi Ito, Ryota Onoe, Naoto Miyoshi, Masahiko Takeuchi +1 more | 2019-02-12 |
| 10183253 | Exhaust gas purification device | Ryota Onoe, Shingo Sakagami, Tsuyoshi Ito, Naoto Miyoshi, Masahiko Takeuchi +1 more | 2019-01-22 |
| 10156170 | Exhaust gas purification device and particulate filter | Ryota Onoe, Shingo Sakagami, Tsuyoshi Ito | 2018-12-18 |
| 10112181 | Catalyst for purification of exhaust gas, method for producing the same, and method for purification of exhaust gas using the same | Satoru Katoh, Toshitaka Tanabe, Masahide Miura, Hiromasa Suzuki, Hiroaki Naito +3 more | 2018-10-30 |
| 10011295 | Steering system | — | 2018-07-03 |
| 9981216 | Exhaust gas purification device and particulate filter | Ryota Onoe, Shingo Sakagami, Tsuyoshi Ito | 2018-05-29 |
| 9975574 | Damper device and steering device | Yuki HANADA, Masahide Nitano | 2018-05-22 |
| 9302697 | Steering apparatus | — | 2016-04-05 |
| 8925939 | Steering system | — | 2015-01-06 |
| 8338323 | Electrode for electrochemical reaction and production process thereof | Yoshio Takasu, Wataru Sugimoto, Junfeng Zhang | 2012-12-25 |
| 7374145 | Reservoir tank having a bracket integrated therewith | Yasuhisa Hirano, Yoshimasa Hayashi, Yasushi Kira | 2008-05-20 |