Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8243275 | Optical measurement apparatus and optical measurement method for a liquid or molten material | Masashi Kuwahara, Takayuki Shima, Junji Tominaga, Rie Endo, Masahiro Susa +2 more | 2012-08-14 |
| 7099264 | Flat-plate lens | Junji Tominaga | 2006-08-29 |
| 5418077 | Magnetic records medium having multiple magnetic layers for recording in long and short wavelength | Toshihiko Oguchi, Hajime Takeuchi, Seiichi Tobisawa, Ken-ichi Furuhata | 1995-05-23 |
| 4880666 | Method of manufacturing magnetic recording medium | Takeo Ito, Hajime Takeuchi, Minoru Hashimoto, Masumi Koishi | 1989-11-14 |
| 4490412 | Method of making a solar energy collector element | Masahiko Yotuyanagi | 1984-12-25 |