Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6679423 | Electronic-money rewarding system for lost and found IC card | Makoto Ijichi, Shigeyuki Itoh, Masaaki Hiroya, Naomi Sato, Kei Yonezawa | 2004-01-20 |
| 6273334 | Electronic-money rewarding system for lost and found IC card | Makoto Ijichi, Shigeyuki Itoh, Masaaki Hiroya, Naomi Sato, Kei Yonezawa | 2001-08-14 |
| 5932859 | Electronic-money rewarding system for lost and found IC card | Makoto Ijichi, Shigeyuki Itoh, Masaaki Hiroya, Naomi Sato, Kei Yonezawa | 1999-08-03 |
| 5754654 | Electronic ticket vending system and method thereof | Masaaki Hiroya | 1998-05-19 |
| 5125740 | Method and apparatus for measuring optical constants of a thin film as well as method and apparatus for fabricating a thin film utilizing same | Hidemi Sato, Yasuo Hira, Atsuko Fukushima, Kazumi Kawamoto, Kenchi Ito +1 more | 1992-06-30 |
| 5089104 | Method and apparatus for forming a multiple-element thin film based on ion beam sputtering | Naoya Kanda, Yasushi Ishikawa, Kunio Matsumoto | 1992-02-18 |
| 4827747 | Method for producing a bellows with oval cross section and apparatus for carrying out the method | Kenichi Okada, Keiichi Nakamura | 1989-05-09 |
| 4676088 | T-joint manufacturing apparatus | Kenichi Okada, Hideo Yonemura | 1987-06-30 |
| 4625533 | Method and apparatus for increasing thickness of tubular member | Kenichi Okada, Hideo Yonemura | 1986-12-02 |
| 4506423 | Method of producing a fluid pressure reducing device | Keiichi Nakamura, Kenichi Okada, Yoichi Wakabayashi, Izumi Ochiai | 1985-03-26 |