Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11117023 | Ball | Ryo Kurahashi, Kazuyuki Wakibayashi | 2021-09-14 |
| 10583331 | Skin body structure for ball | Kazuyuki Wakibayashi, Yosuke Sato, Naoyuki Fujiwara | 2020-03-10 |
| 8163117 | Producing method of ball for ball game | Hidesuke Kuriki | 2012-04-24 |
| 7648434 | Ball for ball game | Hidesuke Kuriki | 2010-01-19 |
| 6816130 | Display apparatus for use in athletic games | Hideomi Shishido, Masayuki Tanaka, Katsumi Kobayashi, Mitsuo Koyama, Norihiro Yuki | 2004-11-09 |
| 5733481 | Composition for use in the formation of an active light waveguide, method for manufacturing an active light waveguide using the composition, and active light waveguide | Shigeru Hayashida, Masaki Morita, Yoshimoto Abe, Takahisa Misono | 1998-03-31 |