Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975078 | Dimming-control lighting apparatus for incandescent electric lamp | Naoki Yanai, Hiroshi Kita, Hidemitsu Yamazuka | 2005-12-13 |
| 5075814 | External method and apparatus for magnetizing metal pieces in rotary electric apparatus to a permanent magnetization state | Toshiharu Kubota, Atsushi Tsuzaki, Yoshiyuki Yokoyama | 1991-12-24 |
| 4859496 | Method of producing an electrically-conductive transparent film | Yufuko Toyonaga, Suzushi Kimura, Masaaki Ueda, Osamu Tabata | 1989-08-22 |
| 4598002 | Core bar of steering wheel | — | 1986-07-01 |