Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11618930 | Personal ornament and method for producing personal ornament | Yasunori Hara | 2023-04-04 |
| 8684594 | Magnetically insensitive, highly hard and constant-modulus alloy, and its production method, as well as hair spring, mechanical driving apparatus and watch and clock | Yuetsu Murakami, Koichiro Jujo, Osamu Takahashi, Ryo Sugawara, Takeshi Takano | 2014-04-01 |
| 7172271 | Ink-jet print head and ink-jet recording apparatus | Kazuyoshi Tominaga, Osamu Koseki, Masaki Denda, Tomiharu Makishima, Yasuhito Sekiya +2 more | 2007-02-06 |
| 6811247 | Ink jet head and ink jet recording apparatus | Kazuyoshi Tominaga, Osamu Koseki, Kentaro Suzuki, Yuji Nakamura, Yasuhito Sekiya +2 more | 2004-11-02 |