Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D473311 | Dental dust collector | — | 2003-04-15 |
| 5765551 | Portable face shield for performing artificial respiration | — | 1998-06-16 |
| 5654511 | Rail axial-force measuring method and an axial-force measurable rail | Hiroaki Sakamoto, Toru Inaguma | 1997-08-05 |
| 5652394 | Stress sensor fabricated from a material having precipitated granular carbides | Hiroaki Sakamoto, Toru Inaguma | 1997-07-29 |
| 5382307 | Process for manufacturing high-strength bainitic steel rails with excellent rolling-contact fatigue resistance | Hideaki Kageyama, Masaharu Ueda | 1995-01-17 |
| 5248572 | Layered-type manganese dry battery | Yasuhiko Shoji, Tadayoshi Maeda, Tomoo Nomura | 1993-09-28 |
| 5017445 | Dry cell | Ryohei Ashihara, Kikumitsu Suehiro, Jun Miyoshi, Masatsugu Eri | 1991-05-21 |
| 4927719 | Dry cell | Ryohei Ashihara, Kikumitsu Suehiro, Jun Miyoshi | 1990-05-22 |
| 4828015 | Continuous casting process for composite metal material | Eiichi Takeuchi, Kaname Wada, Kou Miyamura, Kazuo Kanamaru, Hiroyuki Tanaka +1 more | 1989-05-09 |
| 4426236 | Method for manufacturing high strength rail of excellent weldability | Hideaki Kageyama, Hiroki Masumoto | 1984-01-17 |
| 4375995 | Method for manufacturing high strength rail of excellent weldability | Hideaki Kageyama, Hiroki Masumoto | 1983-03-08 |