Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11603439 | Prepreg and producing method thereof | Hiroaki Tsukamoto | 2023-03-14 |
| 11555260 | Apparatus for manufacturing open carbon fiber superfine yarn | Hiroaki Tsukamoto | 2023-01-17 |
| 11131041 | Apparatus for manufacturing open carbon fiber superfine yarn | Hiroaki Tsukamoto | 2021-09-28 |
| 11060211 | Twisted yarn, opened yarn, carbon fiber-covered twisted yarn, and method for manufacturing these | Hiroaki Tsukamoto | 2021-07-13 |
| 10844523 | Twisted yarn, opened yarn, carbon fiber-covered twisted yarn, and method for manufacturing these | Hiroaki Tsukamoto | 2020-11-24 |
| 10682668 | Method of manufacturing a high-strength carbon fiber resin tape and the high-strength carbon fiber resin tape | Hiroaki Tsukamoto | 2020-06-16 |
| 10294384 | Fluororesin-aluminum oxide mixed dispersion and method of manufacturing the same | Yuzo Nakamura, Yuhi Hosoi, Yosuke Kondo, Naofumi Nagai, Fujio Mizukami | 2019-05-21 |
| 8647744 | Graphite clay composite material, process for producing the same, gasket or packing comprising the composite material, and clay dispersion used for the composite material | Takeo Ebina, Yasuhisa Hasegawa, Fujio Mizukami, Nobuhiko Teshima | 2014-02-11 |
| 6699540 | Materials of packing and packing made from the materials | — | 2004-03-02 |
| 6601377 | Gland packing materials made from expansive graphite, gland packing made from expansive graphite made from the materials, and a producing method of gland packing made from expansive graphite | — | 2003-08-05 |
| 6299976 | Materials used in gland packing made from expansive graphite, gland packing made from expansive graphite made from the materials, and a producing method of gland packing made from expansive graphite | — | 2001-10-09 |
| 5910377 | Clad steel plate | Susumu Ishikawa | 1999-06-08 |