Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651567 | Railway car | Kazuhiro Makino, Kentaro Masai, Masaaki Shigeyama, Daisuke Muto | 2003-11-25 |
| 5433151 | Railway car body structures and methods of making them using welded honeycomb panels connected in an edge to edge relation | Mamoru Ohara, Morishige Hattori, Yoshinao Okumoto, Masato Okazaki, Katsutoshi Horihata +1 more | 1995-07-18 |
| 5199632 | Railway car body structures and methods of making them | Sumio Okuno, Masato Okazaki, Morishige Hattori | 1993-04-06 |
| 5140913 | Railway car body structures | Sumio Okuno, Masato Okazaki, Morishige Hattori | 1992-08-25 |
| 5113769 | Car body for railway rolling stock and method for fabricating car body | Sumio Okuno, Keiji Ohmura, Msato Okazaki, Hitoshi Tsuruda, Hiroyuki Yamada +2 more | 1992-05-19 |
| 5109777 | Car body for railway rolling stock with joggled adjacent side sheet end construction for smooth exterior | Keiji Ohmura, Sumio Okuno, Kentarou Masai, Seiichi Okamoto, Masatake Nakamura | 1992-05-05 |
| 4995321 | Car body for railway rolling stock | Keiji Ohmura, Sumio Okuno, Masato Okazaki, Hitoshi Tsuruda | 1991-02-26 |
| 4966082 | Construction and a manufacturing method of underframe for a rolling stock | Hisashi Tani, Katsuyuki Terada, Takeyuki Watanabe, Sumio Okuno, Masayuki Dogen | 1990-10-30 |
| 4825774 | Underfloor construction of monorail vehicle and method of assembling the same | Hisashi Tani, Katsuyuki Terada | 1989-05-02 |
| 4645258 | Underframe construction for railway vehicle | Keiji Ohmura, Sueo Kawai, Yoshimasa Murakami, Masato Okazaki | 1987-02-24 |