Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10982341 | Cation exchange membrane and electrolyzer | Takuya MORIKAWA, Yoshifumi KADO, Takuo Sawada | 2021-04-20 |
| 7938941 | Cation-exchange fluorinated membrane for electrolysis and process for producing the same | Akio Kashiwada, Hiroshi Nakayama | 2011-05-10 |
| 6756328 | Reinforced cation exchange membrane and production process thereof | Yuichi Sakuma | 2004-06-29 |
| 5649191 | Information searching apparatus for managing and retrieving document data stored in a storage unit | Nobuyuki Baba, Yutaka Takahashi, Isao Inagawa | 1997-07-15 |
| 5493639 | Drawing processing with flexible accomodation of character strings | Osamu Yoshizaki | 1996-02-20 |
| 5092340 | Organism signal measuring apparatus | Keiji Yamaguchi, Takafumi Go, Tadashi Fujii | 1992-03-03 |
| 4463425 | Period measurement system | Masakazu Murase | 1984-07-31 |
| 4456959 | Period measurement system | Masakazu Murase | 1984-06-26 |