Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12270759 | Gas detection device | Shinji Saito, Tsutomu KAKUNO, Rei Hashimoto, Kei Kaneko | 2025-04-08 |
| 11387992 | Transmitting device, receiving device, and quantum key distribution system | Masakazu KIKAWADA | 2022-07-12 |
| 10816663 | Distance measuring device and distance measuring method | Yutaka Ota, Mineharu Uchiyama, Nobu Matsumoto, Hiroshi Kubota, Shinichi Ohtsuka | 2020-10-27 |
| 10630392 | Quantum communication system, transmitting apparatus, and receiving apparatus | Masakazu KIKAWADA | 2020-04-21 |
| 10410335 | Inspection method and inspection apparatus | Riki Ogawa | 2019-09-10 |
| 10197507 | Inspection apparatus | Riki Ogawa, Hiromu Inoue | 2019-02-05 |
| 10007980 | Inspection method and inspection apparatus | Riki Ogawa | 2018-06-26 |
| 9846928 | Inspection method and inspection apparatus | Riki Ogawa | 2017-12-19 |
| 9746140 | LED lighting device | Hiroshi Ohno, Mitsuaki Kato, Katsumi Hisano, Yoshinori Honguh, Masataka Shiratsuchi +3 more | 2017-08-29 |
| 9683947 | Defect inspection device | Riki Ogawa, Takeshi Fujiwara | 2017-06-20 |
| 9436001 | Light beam scanner | Masataka Shiratsuchi | 2016-09-06 |
| 9372389 | Projector and portable terminal | Masataka Shiratsuchi | 2016-06-21 |
| 9157870 | Pattern test apparatus | Riki Ogawa | 2015-10-13 |
| 8229206 | Photomask inspection method | — | 2012-07-24 |
| 8004655 | Automatic focus adjusting mechanism and optical image acquisition apparatus | Masataka Shiratsuchi, Yoshinori Honguh, Riki Ogawa, Shinji Sugihara | 2011-08-23 |
| 7935460 | Mask blank for EUV exposure and mask for EUV exposure | — | 2011-05-03 |
| 7863588 | Lighting optical apparatus and sample inspection apparatus | — | 2011-01-04 |
| 7671771 | Optical quantizing unit and optical A/D converter | Takahiro Suzuki, Hideki Ito, Takeshi Morino | 2010-03-02 |
| 7648256 | Lighting system having lenses for light sources emitting rays at different wavelengths | Masataka Shiratsuchi, Masahiro Toda | 2010-01-19 |
| 7403142 | Optical quantizing unit and optical A/D converter | Takahiro Suzuki, Hideki Ito, Takeshi Morino | 2008-07-22 |
| 7403143 | Optical quantizing unit and optical A/D converter | Takahiro Suzuki, Hideki Ito, Takeshi Morino | 2008-07-22 |
| 5946282 | Optical recording/reproducing apparatus | Yoriyuki Ishibashi | 1999-08-31 |