Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10081943 | Pregrouted PC steel material and method for hardening pregrout layer thereof | Takahide Saiki, Masato Yamada, Takashi Ichiki, Kiminori Matsushita, Katsuhito Oshima +3 more | 2018-09-25 |
| 9169403 | Powder coating composition for PC strand coating, coating method, and coating film | Tomoyuki Hirai, Yoshitaka Ishihara, Koichiro Natori, Toshihiko Niki, Takayuki Yamagiwa | 2015-10-27 |
| 7886490 | Strand | Tomoya Maekawa, Toshihiko Niki, Katsuhito Oshima | 2011-02-15 |
| 6623558 | Curable composition for tendon for prestressed concrete and tendon | Toshiro Hirohata, Yasuji Ohgaki, Takashi Takagaki, Takashi Yoshioka, Kouji Kiyosu | 2003-09-23 |