Issued Patents All Time
Showing 1–25 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12403526 | Crankshaft and method of manufacturing forged material for crankshaft | Taketo MAEJIMA | 2025-09-02 |
| 12352309 | Crankshaft | Tatsuhiko Abe, Satoru Okawa, Motoichi Murakami, Takashi Koyama, Yusuke Morita +3 more | 2025-07-08 |
| 12353199 | Communication apparatus and temperature monitoring method | Haruka NAGOSHI, Toshinori Hanano, Shun Morishima, Kenta ITO, Masayoshi SEKIGUCHI +3 more | 2025-07-08 |
| 12049102 | Railway wheel | Taketo MAEJIMA | 2024-07-30 |
| 11890894 | Railway wheel | Taketo MAEJIMA | 2024-02-06 |
| 11863230 | Communication apparatus and error detection method | Kenta ITO, Toshinori Hanano, Shun Morishima, Masayoshi SEKIGUCHI, Takayoshi Tashiro +3 more | 2024-01-02 |
| 11761053 | Method for producing railway wheel and railway wheel | Taketo MAEJIMA | 2023-09-19 |
| 11765203 | Communication device and communication method for plant control system | Tatsuyuki Ootani, Katsumi Yoshida | 2023-09-19 |
| 11739788 | Crankshaft and method of manufacturing the same | Tatsuhiko Abe | 2023-08-29 |
| 11674206 | Sintered friction material for railway vehicles and method for producing the same | Kazutaka Asabe, Yuki Ichikawa, Takeshi Nakano, Tokitake Okahira, Isao SHIMAZOE | 2023-06-13 |
| 11578775 | Brake lining for railway vehicle, disc brake system for railway vehicle including same, and sintered friction material to be used for brake lining for railway vehicle | Takahiro Fujimoto, Takanori Kato, Atsushi Sakaguchi, Naruo MIYABE, Takeshi Nakano +2 more | 2023-02-14 |
| 11534829 | Sintered friction material | Naomitsu Mizui, Fumio Ishimoto, Kazutaka Asabe, Osamu Kanda, Satoru Nakano +3 more | 2022-12-27 |
| 11458762 | Railway wheel | Taketo MAEJIMA | 2022-10-04 |
| 11237334 | Fiber module | Kengo Horikoshi, Takashi Yamada, Hisao YOSHINAGA, Shunsuke KANAI | 2022-02-01 |
| 11110741 | Railway wheel | — | 2021-09-07 |
| 11111568 | Steel for cold forging and manufacturing method thereof | Akira Shiga, Hajime Hasegawa | 2021-09-07 |
| 10889870 | Steel component, gear component, and producing method for steel component | Koji Obayashi, Kazuaki Okada, Keisuke Matsuzaka, Masashi SAKAKIBARA, Kei Miyanishi +1 more | 2021-01-12 |
| 10844466 | Hot forging steel and hot forged product | Akira Shiga, Suguru Yoshida, Hajime Hasegawa, Hideo MIZUKAMI | 2020-11-24 |
| 10752969 | Steel for suspension spring and method of manufacturing same | Koichi Banno, Keisuke CHIBA, Ryuuichi Seki | 2020-08-25 |
| 10724125 | Spring steel | Takahisa Suzuki, Shuji Kozawa, Hirotsugu MIYAMOTO | 2020-07-28 |
| 10597765 | Steel, carburized steel component, and method for manufacturing carburized steel component | Akira Shiga, Hajime Hasegawa, Hideo MIZUKAMI | 2020-03-24 |
| 10391742 | Steel for carburizing, carburized steel component, and method of producing the same | — | 2019-08-27 |
| 10392707 | Steel for carburizing, carburized steel component, and method of producing the same | — | 2019-08-27 |
| 10344363 | Hot-rolled steel and steel component | Suguru Yoshida, Shinya Teramoto, Akira Shiga, Hajime Hasegawa, Hideo MIZUKAMI | 2019-07-09 |
| 10202677 | Production method of carburized steel component and carburized steel component | Tatsuya Koyama | 2019-02-12 |