Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D646925 | Inner pot for electric rice cooker | Tadashi Okajima, Sadamu Utsunomiya, Yuzuru Goto, Takumi Kura, Takuma Tokuoka | 2011-10-18 |
| 4684556 | Tubular lining material for pipe line | Hisao Ohtsuga, Akio Morinaga, Masakatsu Hyodo, Isaburo Yagi | 1987-08-04 |
| 4576205 | Tubular lining material for pipe lines having bends | Akio Morinaga, Masakatsu Hyodo, Isaburo Yagi | 1986-03-18 |