Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12369492 | Composition of matter for use in organic light-emitting diodes | Shuo-Hsien Cheng, Yong Joo CHO, Yoshitake Suzuki, Yu Seok Yang, Naoto Notsuka +3 more | 2025-07-22 |
| 12356787 | Organic light emitting element | Ayataka Endo, Ping Kuen Daniel TSANG, Hayato Kakizoe | 2025-07-08 |
| 11588118 | Composition of matter for use in organic light-emitting diodes | Yong Joo CHO, Hiroaki Ozawa, YuSeok YANG, Yoshitake Suzuki, Shuo-Hsien Cheng +5 more | 2023-02-21 |
| 9421515 | Porous carbon material, adsorbent, oral adsorbent, medical adsorbent, filler for blood purification column, water purification adsorbent, cleansing agent, carrier, sustained release pharmaceutical, cell culture scaffold, mask, carbon/polymer composite, adsorbent sheet and functional food | Hironori Iida, Takashi Obikawa, Shinichiro Yamada, Seiichiro Tabata, Kazuma Usami +4 more | 2016-08-23 |
| 8524379 | Organic electroluminescence device and display unit | Hirokazu Yamada | 2013-09-03 |