Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11395102 | Field cooperation system and management device | Tomomi HISHINUMA, Kenji Osaki, Masaaki Ueno | 2022-07-19 |
| 11287375 | Inspection device | — | 2022-03-29 |
| 10672739 | Power conversion device | Yumie KITAJIMA | 2020-06-02 |
| 10656327 | Optical fiber | Katsuhiro Takenaga | 2020-05-19 |
| 10505536 | Gate driving circuit | Keisuke NAKAMOTO | 2019-12-10 |
| 10488297 | Characteristic-measuring apparatus and characteristic-measuring method for multi-core fiber | Katsuhiro Takenaga | 2019-11-26 |
| 10444113 | Method of measuring crosstalk of multicore fiber and apparatus of measuring the same | Katsuhiro Takenaga | 2019-10-15 |
| 10410897 | Electrostatic chuck | Kaname Miwa | 2019-09-10 |
| 10365429 | Multicore fiber and optical cable | Katsuhiro Takenaga, Kunimasa Saitoh, Takeshi Fujisawa | 2019-07-30 |
| 10295736 | Multicore fiber | Yoshimichi Amma, Katsuhiro Takenaga | 2019-05-21 |
| 9891377 | Multicore fiber and optical cable | Katsuhiro Takenaga, Kunimasa Saitoh, Takeshi Fujisawa | 2018-02-13 |
| 9503072 | Semiconductor switching device | Hitoshi Uemura | 2016-11-22 |