Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9159572 | Method of producing semiconductor substrate product, and etching method to be used therein | Tadashi Inaba, Atsushi Mizutani | 2015-10-13 |
| 5700596 | Nickel hydroxide active material powder and nickel positive electrode and alkali storage battery using them | Munehisa Ikoma, Norikatsu Akutsu, Fumihiko Yoshii, Hideo Kaiya, Shingo Tsuda | 1997-12-23 |
| 5547784 | Alkaline storage battery and method for producing the same | Takashi Okawa, Shingo Tsuda, Norikatsu Akutsu | 1996-08-20 |
| 5077149 | Nickel/hydrogen storage battery and method of manufacturing the same | Munehisa Ikoma, Yasuko Ito, Shingo Tsuda | 1991-12-31 |