Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379072 | Hydrogen gas inventory acquisition method, hydrogen gas inventory acquisition device, hydrogen gas inventory acquisition system, and hydrogen gas inventory management system | Shigeru Asai, Tadashi SEIKE, Nanako OBATA, Takayuki Itabashi, Seiji Maeda | 2025-08-05 |
| 12358791 | Hydrogen production apparatus and hydrogen production method | Tadashi SEIKE | 2025-07-15 |