Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6361625 | High-strength, damage-resistant rail having hardness distribution of excellent damage-resistance at its head top portion | Masahisa Fujikake, Jun Furukawa, Kiyotaka Morioka, Hideyuki Yamanaka, Kazutaka Kobayashi +1 more | 2002-03-26 |
| 5941767 | Air circulating device | — | 1999-08-24 |
| 5693174 | Apparatus for attaching a molding | Shuichi Nakata, Shirou Takayama, Hideo Yamada, Ryuji Souma, Tomohiro Morishita +5 more | 1997-12-02 |
| 5298307 | Engraving sheet structure | Akira Suzuki, Shoji Misonoo, Naoyuki Ishii | 1994-03-29 |
| 5256623 | Thermal sublimable dye transfer image receiving sheet | — | 1993-10-26 |
| 5209792 | High-strength, damage-resistant rail | Gordon O. Besch, John A. Hovland, Jun Furukawa, Hideyuki Yamanaka, Tomoo Horita +5 more | 1993-05-11 |
| 5089464 | Image-receiving paper for thermal sublimable dye transfer | Masaru Ichii, Kenji Morishita | 1992-02-18 |
| 4933024 | Method for manufacturing a high strength rail with good toughness | Tsunemi Wada, Ichiro Nakauchi, Shinichi Nagahashi, Yoshio Saito, Kiyotaka Morioka +4 more | 1990-06-12 |
| 4886558 | Method for heat-treating steel rail head | Toyokazu Teramoto, Akio Fujibayashi, Mashiro Ueda, Shinichi Nagahashi, Yazuru Kataoka +5 more | 1989-12-12 |
| 4849457 | Method of producing plastic sheet with porous surface | Masaru Ichii, Shigeru Tani | 1989-07-18 |
| 4767475 | Wear resistant rails having capability of preventing propagation of unstable rupture | Tsunemi Wada, Shinichi Nagahashi, Yoshio Saito, Masahiro Ueda, Minoru Tanaka | 1988-08-30 |