Kawaguchi; Ikumi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kawaguchi; Ikumi.The latest application filed is for "photochromic optical element".
- Kawaguchi; Ikumi - Shunan N/A JP
- Kawaguchi; Ikumi - Yamaguchi JP
| Patent | Date |
|---|---|
| Coating composition and photochromic optical article Grant 8,852,737 - Kawaguchi , et al. October 7, 2 | 2014-10-07 |
| Photochromic optical element Grant 8,557,377 - Mori , et al. October 15, 2 | 2013-10-15 |
| Photochromic Optical Element App 20100233485 - Mori; Katsuhiro ; et al. | 2010-09-16 |
| Coating Composition And Photochromic Optical Article App 20100110521 - Kawaguchi; Ikumi ; et al. | 2010-05-06 |
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