Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421165 | Windshield and windshield manufacturing method | Fumiyoshi Kondo, Shinya Okamoto | 2025-09-23 |
| 11897810 | Windshield and windshield manufacturing method | Fumiyoshi Kondo, Shinya Okamoto | 2024-02-13 |
| 11214129 | Windshield and windshield manufacturing method | Toyoyuki Teranishi, Fumiyoshi Kondo, Mitsuhiro Kawazu, Kazutaka Kamitani, Yohei SHIMOKAWA | 2022-01-04 |
| 10400130 | Anti-fogging coated transparent article | Kazutaka Kamitani | 2019-09-03 |
| 10011733 | Anti-fogging coated transparent article | Kazutaka Kamitani | 2018-07-03 |
| 7421176 | Waveguide element using photonic crystal | Shigeo Kittaka, Keiji Tsunetomo | 2008-09-02 |
| 7310468 | Photonic crystal waveguide, homogeneous medium waveguide, and optical device | Shigeo Kittaka, Keiji Tsunetomo | 2007-12-18 |
| 7305155 | Optical element and wavelength separator using the same | Tatsuhiro Nakazawa, Shigeo Kittaka, Keiji Tsunetomo, Junji Nishii | 2007-12-04 |
| 7260300 | Waveguide element using photonic crystal | Shigeo Kittaka, Masatoshi Nara, Keiji Tsunetomo, Takahiro Asai | 2007-08-21 |
| 7170600 | Spectrometer using diffraction grating | Junji Nishii, Tatsuhiro Nakazawa, Shigeo Kittaka, Keiji Tsunetomo | 2007-01-30 |
| 7068903 | Optical element using one-dimensional photonic crystal and spectroscopic device using the same | Shigeo Kittaka, Masatoshi Nara, Keiji Tsunetomo, Takahiro Asai | 2006-06-27 |
| 7009701 | Optical element and spectroscopic device using the same | Shigeo Kittaka, Masatoshi Nara, Tatsuhiro Nakazawa, Keiji Tsunetomo | 2006-03-07 |
| 6968096 | Diffraction device using photonic crystal | Shigeo Kittaka, Keiji Tsunetomo, Vladimir Serikov | 2005-11-22 |
| 6914715 | Optical element | Tatsuhiro Nakazawa, Shigeo Kittaka, Keiji Tsunetomo, Masatoshi Nara | 2005-07-05 |
| 6825963 | Optical element | Shigeo Kittaka, Masatoshi Nara | 2004-11-30 |