Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10723850 | Polymer film, waterproof sound-permeable membrane, waterproof sound-permeable member, electronic device, electronic device case, waterproof sound transmission structure, waterproof gas-permeable membrane, waterproof gas-permeable member, waterproof ventilation structure, suction sheet, method for holding workpiece by suction on suction unit, method for producing ceramic capacitor, optical film, optical member, and composition | Masaaki Mori, Yozo Nagai, Yuuzou MURAKI, Toshimitsu Tachibana, Hajime Yamamoto | 2020-07-28 |
| 10679598 | Polymer resin film, and air-permeable membrane, sound-permeable membrane, acoustic resistor, air-permeable membrane member, sound-permeable membrane member, acoustic resistor member, and audio device that include the polymer resin film, and method for producing the polymer resin film | Naoyuki Matsuo | 2020-06-09 |