Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7477937 | Bioelectrical impedance measuring apparatus | Takeshi Iijima | 2009-01-13 |
| 7167671 | Toner draining mechanism, collected toner container, and image forming apparatus | Eisaku Muto, Yukiyoshi Oda, Junichi Ito | 2007-01-23 |
| 7024130 | Rotating body, cooling apparatus that cools a rotating body, and image forming apparatus that uses a rotating body and a cooling apparatus | Hiroaki Sato | 2006-04-04 |
| 6957028 | Image forming apparatus having a blade member with a semi-conductive member installed there on | Hiroaki Sato | 2005-10-18 |
| 6909860 | Image forming apparatus having a gap between toner-supplying and developing rollers | Hiroaki Sato | 2005-06-21 |
| 6618616 | Bioelectrical impedance measuring apparatus | Takeshi Iijima | 2003-09-09 |
| 6532385 | Living body measuring apparatus with built-in weight meter | Takeshi Iijima | 2003-03-11 |
| 5032000 | Gradient index-type optical device and process for production thereof | Seiichi Shingaki, Kohei Nakata, Kazuyoshi Nagao, Haruo Tomono | 1991-07-16 |
| 4971423 | Gradient-index-type optical device | Kohei Nakata, Seiichi Shingaki, Haruo Tomono | 1990-11-20 |
| 4783141 | Array lens | Takeshi Baba, Hiroyuki Imataki, Masayuki Usui, Hiroyasu Nose | 1988-11-08 |
| 4783155 | Optical device with variably shaped optical surface and a method for varying the focal length | Hiroyuki Imataki, Masayuki Usui, Takeshi Baba, Hiroyasu Nose | 1988-11-08 |
| 4781445 | Optical device having positionally changeable optical surfaces and a method of varying an image forming position | Takeshi Baba, Masayuki Usui, Hiroyuki Imataki, Hiroyasu Nose | 1988-11-01 |
| 4778256 | Process for producing optical element | — | 1988-10-18 |
| 4714326 | Method and element for optical modulation | Masayuki Usui, Hiroyuki Imataki, Takeshi Baba, Hiroyasu Nose | 1987-12-22 |
| 4712882 | Variable focal length lens | Takeshi Baba, Hiroyuki Imataki, Masayuki Usui, Hiroyasu Nose | 1987-12-15 |