Machida; Katsuichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Machida; Katsuichi.The latest application filed is for "building material".
- Machida; Katsuichi - Iwaki JP
- Machida, Katsuichi - Iwaki-shi JP
- Machida, Katsuichi - Fukushima JP
- Machida; Katsuichi - Hino JP
| Patent | Date |
|---|---|
| Near-infrared-absorbing composition and optical material Grant 7,067,074 - Ikeda , et al. June 27, 2 | 2006-06-27 |
| Building material Grant 7,053,231 - Hayashi , et al. May 30, 2 | 2006-05-30 |
| Optical filter and process for producing the same Grant 7,025,908 - Hayashi , et al. April 11, 2 | 2006-04-11 |
| Building Material App 20040204600 - Hayashi, Naoki ; et al. | 2004-10-14 |
| Near-infrared-absorbing composition and optical material App 20030160217 - Ikeda, Tsukasa ; et al. | 2003-08-28 |
| Optical material App 20020050587 - Hayashi, Naoki ; et al. | 2002-05-02 |
| Spirooxazine photochromic compounds Grant 5,017,698 - Machida , et al. May 21, 1 | 1991-05-21 |
| Photochromic lens Grant 4,756,973 - Sakagami , et al. July 12, 1 | 1988-07-12 |
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