Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9500520 | Optical measurement apparatus | Hisashi Shiraiwa | 2016-11-22 |
| 9377352 | Standard light source having restriction portion for diffuse reflection and measurement method | — | 2016-06-28 |
| 9239259 | Optical measurement system, optical measurement method, and mirror plate for optical measurement system | Greg McKee | 2016-01-19 |
| 8970835 | Optical characteristic measuring apparatus | Hisashi Shiraiwa | 2015-03-03 |
| 8896824 | Optical characteristic measuring apparatus | Hisashi Shiraiwa | 2014-11-25 |
| 8559101 | Reflector and apparatus including the reflector | Mika Sakaue, Mitsuhiko Kimoto, Yuriko Kaneko | 2013-10-15 |
| 8456638 | Optical measurement apparatus, optical measurement system, and fiber coupler | Kunikazu Taguchi | 2013-06-04 |
| 8422018 | Optical measurement apparatus including hemispherical optical integrator | Yoshihiro Osawa | 2013-04-16 |
| 8415639 | Quantum efficiency measurement method, quantum efficiency measurement apparatus, and integrator | Yoshihiro Osawa | 2013-04-09 |
| 8305576 | Apparatus and method for measuring total luminous flux | Shunsuke Mishima | 2012-11-06 |
| 8169607 | Optical characteristic measurement device and optical characteristic measurement method suitable for spectrum measurement | Hiroyuki Sano, Makoto Okawauchi, Kosei OSHIMA, Tsutomu Mizuguchi, Shiro Shima | 2012-05-01 |
| 8169608 | Optical characteristic measurement device and optical characteristic measurement method suitable for spectrum measurement | Hiroyuki Sano, Makoto Okawauchi, Kosei OSHIMA, Tsutomu Mizuguchi, Shiro Shima | 2012-05-01 |
| 8119996 | Quantum efficiency measurement apparatus and quantum efficiency measurement method | — | 2012-02-21 |
| 7663744 | Integrating photometer for measuring total flux of light generated from light source to be measured, and method for measuring total flux of light through use of the same | — | 2010-02-16 |
| 7487781 | Energy converter and method of making the same | Makoto Horiuchi, Mitsuhiko Kimoto, Yuriko Kaneko, Mika Sakaue | 2009-02-10 |
| 7283222 | Optical measuring device | — | 2007-10-16 |
| 7276846 | Energy converter and light source | Mika Sakaue, Makoto Horiuchi, Mitsuhiko Kimoto, Yuriko Kaneko | 2007-10-02 |
| 7049735 | Incandescent bulb and incandescent bulb filament | Mitsuhiko Kimoto, Yuriko Kaneko, Mika Sakaue, Makoto Horiuchi | 2006-05-23 |
| 7040130 | Method and apparatus for forming discrete microcavities in a filament wire using microparticles | Xinbing Liu, Ming-Jun Li, Makoto Ishizuka, Daniel Hogan, Mitsuhiko Kimoto | 2006-05-09 |
| 6979946 | Electrodeless fluorescent lamp | — | 2005-12-27 |
| 6871523 | Method and apparatus for forming microchannels in a filament wire | Makoto Ishizuka, Daniel Hogan, Mitsuhiko Kimoto | 2005-03-29 |
| 6504305 | Fluorescent lamp | Yoshinori Tanabe, Masanori Shimizu, Takeshi Arakawa | 2003-01-07 |
| 6445118 | Lamp having conductor structure and non-conductor structure provided between filaments | Masanori Shimizu, Takeshi Arakawa, Yoshinori Tanabe, Kenjiro Hashimoto, Yoko Shimomura | 2002-09-03 |
| 5497230 | Spectroradiometer | Yasuo Nakagawa | 1996-03-05 |
| 5430540 | Luminous flux measuring apparatus using an integrating hemisphere or an integrating quarter sphere | — | 1995-07-04 |