Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12345088 | Vacuum glass and method for manufacturing same | Akito Takeuchi, Tetsuo Minaai | 2025-07-01 |
| 12291921 | Depressurized multilayered glass panel | Akito Takeuchi, Atsushi Miki | 2025-05-06 |
| 11905754 | Vacuum glass panel | Tetsuo Minaai, Hirotaka Koyo | 2024-02-20 |
| 11661519 | Low-reflection film-coated transparent substrate, photoelectric conversion device, coating liquid for forming low-reflection film of low-reflection film-coated transparent substrate, and method for producing low-reflection film-coated transparent substrate | Mizuho Koyo, Mitsuhiro Kawazu | 2023-05-30 |
| 11442200 | Low-reflection coated glass sheet, method for producing low-reflection coated substrate, and coating liquid for forming low-reflection coating of low-reflection coated substrate | Mizuho Koyo, Mitsuhiro Kawazu | 2022-09-13 |
| 11279653 | Method for manufacturing glass panel, and glass panel | Atsushi Miki, Tetsuo Minaai | 2022-03-22 |
| 11124450 | Glass panel and glass window | Atsushi Miki, Tetsuo Minaai | 2021-09-21 |
| 10988972 | Glass panel | Kazuya Fujino, Tetsuo Minaai | 2021-04-27 |
| 7688512 | Transmissive diffraction grating, and spectral separation element and spectroscope using the same | Shigeo Kittaka, Kentaro Yamada, Keiji Tsunetomo | 2010-03-30 |
| 7349612 | Optical element, optical circuit provided with the optical element, and method for producing the optical element | Junji Nishii, Shigeo Kittaka, Keiji Tsunetomo | 2008-03-25 |
| 7305155 | Optical element and wavelength separator using the same | Kazuaki Oya, Shigeo Kittaka, Keiji Tsunetomo, Junji Nishii | 2007-12-04 |
| 7170600 | Spectrometer using diffraction grating | Junji Nishii, Shigeo Kittaka, Keiji Tsunetomo, Kazuaki Oya | 2007-01-30 |
| 7009701 | Optical element and spectroscopic device using the same | Shigeo Kittaka, Masatoshi Nara, Kazuaki Oya, Keiji Tsunetomo | 2006-03-07 |
| 6998350 | Method for forming micro groove structure | Keiji Tsunetomo | 2006-02-14 |
| 6914715 | Optical element | Shigeo Kittaka, Kazuaki Oya, Keiji Tsunetomo, Masatoshi Nara | 2005-07-05 |
| 6909557 | Optical coupling system and optical device using the same | Shigeo Kittaka, Hideshi Nagata, Yasuji Sasaki, Minoru Taniyama | 2005-06-21 |