Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10597048 | Carbody of railcar | Eiichi Kato, Shinichi Miura, Kouichi Tsunoda, Taimei Suga, Ryo Uehara | 2020-03-24 |
| 9482043 | Hinged door | Takahiro Kawashima, Hiroyuki Hirata | 2016-11-01 |
| 9302684 | Railcar door apparatus and railcar | Takahiro Kawashima, Hiroyuki Hirata | 2016-04-05 |
| 7905209 | Glow plug with combustion pressure sensor | Takehiro Watarai, Yoshinobu Hirose | 2011-03-15 |
| 7325673 | Belt conveyor and associated equipment | Takashi Kotaki, Yoshiki Nishida | 2008-02-05 |
| 7299917 | Belt conveyor and associated equipment | Takashi Kotaki, Yoshiki Nishida | 2007-11-27 |
| 7234429 | Spark plug with increased durability | Nobuo Abe, Yasushi Kawashima | 2007-06-26 |
| 6971508 | Belt conveyor and auxiliary equipment thereof | Takashi Kotaki, Yoshiki Nishida | 2005-12-06 |
| 6885137 | Spark plug and its manufacturing method | Keiji Kanao | 2005-04-26 |
| 6337533 | Spark plug for internal combustion engine and method for manufacturing same | Ken Hanashi, Keiji Kanao | 2002-01-08 |