Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11197521 | Slide fastener | Masanori Kayahara, Mineto Terada, Kazuya Taniguchi, Yuki Sakagami | 2021-12-14 |
| 11185133 | Slider for waterproof slide fastener and waterproof slide fastener | Masanori Kayahara, Mineto Terada | 2021-11-30 |
| 11134756 | Waterproof slide fastener | Masanori Kayahara, Mineto Terada, Kazuya Taniguchi, Yuki Sakagami | 2021-10-05 |
| 9661902 | Waterproof slide fastener | Makoto Takayama, Hisashi Yoneshima | 2017-05-30 |
| 9572406 | Waterproof slide fastener | Ryo Tanaka, Makoto Takayama, Masamichi Hasegawa | 2017-02-21 |
| 9055790 | Slide fastener | Ryo Tanaka, Yutaka Tominaga, Masamichi Hasegawa | 2015-06-16 |
| D648246 | Bottom end stop for slide fastener | Masamichi Hasegawa, Shunji Akashi | 2011-11-08 |
| D643778 | Slide fastener | Masamichi Hasegawa, Shunji Akashi | 2011-08-23 |
| 7870649 | Waterproof slide fastener | Masahiro Kusayama | 2011-01-18 |