Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7236959 | Method for collectively receiving at high voltage and distributing at low voltage, and collective housing using same | Takeo Ishida, Ryuzo Hagihara | 2007-06-26 |
| 6737761 | Power load control system | Takeo Ishida, Ryuzo Hagihara | 2004-05-18 |
| 4670293 | Method of making semiconductor film | Masaru Yamano, Yukinori Kuwano, Shoichi Nakano, Tsugufumi Matsuoka, Souichi Sakai +1 more | 1987-06-02 |