Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10122288 | Transformer composed of a front stage circuit and a rear stage circuit | Hideaki Nakahata, Kenichi Hirotsu, Kyohei Yamada, Daiya Egashira | 2018-11-06 |
| 10116197 | Transformer without magnetic coupling, electromagnetic induction or mutual inductance | Hideaki Nakahata, Satoshi Hatsukawa, Kenichi Hirotsu, Kyohei Yamada, Daiya Egashira | 2018-10-30 |
| 10046206 | Golf ball | Tsuyoshi Nakajima, Eiji Takehana | 2018-08-14 |
| 9950214 | Multi-piece solid golf ball | — | 2018-04-24 |