Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378620 | Quenching method | Daisuke Kasai, Keisuke Matsuzaka, Takeshi Naito, Takeshi Ryujin, Toshiaki Matsumura | 2025-08-05 |
| 10889870 | Steel component, gear component, and producing method for steel component | Kazuaki Okada, Keisuke Matsuzaka, Masashi SAKAKIBARA, Manabu Kubota, Kei Miyanishi +1 more | 2021-01-12 |
| 9441723 | Steel gear and manufacturing method for the same | Keita Taguchi, Yasutaka Miyake, Takaaki Ogiso | 2016-09-13 |
| 9388476 | Steel gear and manufacturing method for the same | Keita Taguchi, Yasutaka Miyake, Takaaki Ogiso | 2016-07-12 |
| 9328811 | Drive plate and manufacturing method for the same | Daisuke IWATA, Tomoyuki Hori, Naoki Yokoyama, Keita Taguchi, Hiroshi Shibata | 2016-05-03 |
| 9034116 | Composite steel part and manufacturing method for the same | Daisuke Kasai, Keita Taguchi, Takaaki Ogiso, Tsutomu Sato | 2015-05-19 |
| 8956467 | Composite steel part and manufacturing method for the same | Mamoru TAKEUCHI, Ryuta Sugiyama, Ken Shimizu, Koichi Kato | 2015-02-17 |
| 8733199 | Gears and its process of manufacture | Keita Taguchi, Susumu Kato, Shuji Kozawa, Manabu Kubota, Yuji Adachi +1 more | 2014-05-27 |
| 7380416 | Conduit for molten glass, connecting conduit for molten glass and vacuum degassing apparatus | Naruaki Tomita, Yasuharu Hirahara, Kazuo Hamashima | 2008-06-03 |
| 6536238 | Vacuum degassing method for molten glass flow | Toshiyasu Kawaguchi, Misao Okada, Yusuke Takei | 2003-03-25 |
| 6332339 | Vacuum degassing method for molten glass flow | Toshiyasu Kawaguchi, Misao Okada, Yusuke Takei | 2001-12-25 |