Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409415 | Catalyst for purification of exhaust gas | Toshio Yamamoto, Akira Morikawa, Satoru Katoh, Nobusuke Kabashima, Nobuyuki Takagi +2 more | 2025-09-09 |
| 12214334 | Supported catalyst particles | Hiroki NIHASHI, Shogo Kawamura, Tomomasa Aikawa, Isao Naito, Shogo SHIRAKAWA +2 more | 2025-02-04 |
| 12031465 | Exhaust gas purification device | Isao Chinzei, Takumi Tojo, Nobusuke Kabashima, Minoru Ito, Naoto Fujita | 2024-07-09 |
| 11969712 | Catalyst for purification of exhaust gas and production method thereof | Naoki Kumatani, Akira Morikawa, Masaoki Iwasaki, Miho Hatanaka, Taizo YOSHINAGA +1 more | 2024-04-30 |
| 11795855 | Exhaust gas purification catalyst | Isao Chinzei, Takahiro NISHIO, Shogo SHIRAKAWA, Hiromasa Suzuki, Yuki Kido +3 more | 2023-10-24 |
| 11759769 | Exhaust gas purification device | Isao Chinzei, Seiji Nakahigashi, Takumi Tojo, Nobuyuki Takagi, Yoshiteru Yazawa +4 more | 2023-09-19 |
| 11719144 | Exhaust gas purification catalyst | Norimichi Shimano, Shogo SHIRAKAWA, Isao Chinzei, Seiji Nakahigashi, Hiroki NIHASHI +3 more | 2023-08-08 |
| 11643958 | Exhaust gas purification material and exhaust gas purification device | Norimichi Shimano, Taizo YOSHINAGA, Shogo SHIRAKAWA, Nobuyuki Takagi | 2023-05-09 |
| 11577226 | Exhaust gas purification catalyst | Seiji Nakahigashi, Isao Chinzei, Shogo SHIRAKAWA, Hiromasa Suzuki, Takahiro NISHIO +8 more | 2023-02-14 |
| 11559786 | Oxygen storage material and method for producing the same | Akira Morikawa, Nobuyuki Takagi | 2023-01-24 |
| 11559768 | Exhaust gas purification catalyst | Isao Chinzei, Seiji Nakahigashi, Hiromasa Suzuki, Akira Morikawa, Toshio Yamamoto +5 more | 2023-01-24 |
| 11426710 | Exhaust gas control catalyst | Takahiro NISHIO, Shogo SHIRAKAWA, Isao Chinzei, Seiji Nakahigashi, Norimichi Shimano +6 more | 2022-08-30 |
| 11400436 | Exhaust gas purification catalyst | Isao Chinzei, Seiji Nakahigashi, Shogo SHIRAKAWA, Hiromasa Suzuki, Takahiro NISHIO +7 more | 2022-08-02 |
| 11396837 | Exhaust gas cleaning catalyst | Eriko YOSHIMOTO, Takahiro NISHIO | 2022-07-26 |
| 11224840 | Exhaust gas purification catalyst | Hiromasa Suzuki, Yoshinori Saito, Satoru Katoh, Toshitaka Tanabe, Tetsuhiro Hirao +5 more | 2022-01-18 |
| 11053833 | Exhaust gas purification catalyst | Isao Chinzei, Seiji Nakahigashi, Hiromasa Suzuki, Toshio Yamamoto, Akira Morikawa +5 more | 2021-07-06 |
| 10967366 | Method for producing exhaust gas purifying catalyst and exhaust gas purifying catalyst | Shogo SHIRAKAWA | 2021-04-06 |
| 10913051 | Ceria-zirconia-based composite oxide and method for producing same, and exhaust gas purification catalyst including ceria-zirconia-based composite oxide | Akira Morikawa, Kae Konishi, Toshitaka Tanabe, Akihiko Suda, Isao Chinzei +3 more | 2021-02-09 |
| 10731532 | Exhaust gas purification catalyst | Hiromasa Suzuki, Yoshinori Saito, Satoru Katoh, Toshitaka Tanabe, Tetsuhiro Hirao +5 more | 2020-08-04 |
| 10668449 | Oxygen storage material and method for producing the same | Yoshihiro Goto, Akira Morikawa, Nobuyuki Takagi | 2020-06-02 |
| 10625246 | Oxygen storage material and method for producing the same | Yoshihiro Goto, Akira Morikawa, Nobuyuki Takagi | 2020-04-21 |
| 10618029 | Oxygen storage material and method for producing the same | Yoshihiro Goto, Akira Morikawa, Hiromasa Suzuki | 2020-04-14 |
| 10576420 | Exhaust gas purifying catalyst | Isao Chinzei, Hiromasa Suzuki, Takeru Yoshida, Yuki Aoki, Mitsuyoshi Okada +6 more | 2020-03-03 |
| 10556223 | Exhaust gas purifying catalyst | Hiromasa Suzuki, Takeru Yoshida, Yuki Aoki, Isao Chinzei, Yoshinori Saito +8 more | 2020-02-11 |
| 10539056 | Exhaust gas purification catalyst | Hiromasa Suzuki, Yoshinori Saito, Satoru Katoh, Toshitaka Tanabe, Tetsuhiro Hirao +5 more | 2020-01-21 |