Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12332196 | Laser light source and photoelectron microscope | Shik Shin, Toshiyuki Taniuchi, Shinichi Imai, Kazuo Fujiura | 2025-06-17 |
| 9297646 | Measurement method and measurement apparatus | Toru Shimizu | 2016-03-29 |
| 9279667 | Aspheric surface measuring method, aspheric surface measuring apparatus, optical element producing apparatus and optical element | Yumiko Osaki, Yoshiki Maeda | 2016-03-08 |
| 9239964 | Surface shape measurement method, surface shape measurement apparatus, non-transitory computer-readable storage medium, optical element, and method of manufacturing optical element | Yuki Yonetani | 2016-01-19 |
| 9005466 | Highly insulative and highly stable piezoelectric single LTGA crystal, method for producing the same, piezoelectric element using said single LTGA crystal, and combustion pressure sensor | Takayuki Hayashi, Toshimitsu Aruga, Makoto Matsukura, Yutaka Anzai, Akio Miyamoto +1 more | 2015-04-14 |
| 8947676 | Aspheric surface measuring method, aspheric surface measuring apparatus, optical element producing apparatus and optical element | Yumiko Osaki, Yoshiki Maeda | 2015-02-03 |
| 8400641 | Interferometer for aspherical or spherical surface measurements | Tokuyuki Honda | 2013-03-19 |
| 8184263 | Measurement apparatus and exposure apparatus | — | 2012-05-22 |
| 7751457 | Laser-diode pumped solid-state laser apparatus, optical scanning apparatus, image forming apparatus and display apparatus | Tsuyoshi Suzudo, Takunori Taira, Yoichi Sato, Sadao Matsumura, Makoto Matsukura +3 more | 2010-07-06 |
| 7576870 | Measurement apparatus, exposure apparatus, and device fabrication method | — | 2009-08-18 |
| 6747787 | Optically functional device, single crystal substrate for the device and method for its use | Kenji Kitamura, Shunji Takekawa, Masaru Nakamura | 2004-06-08 |
| 6673330 | Single crystal of lithium niobate or tantalate and its optical element, and process and apparatus for producing an oxide single crystal | Kenji Kitamura, Shunji Takekawa, Shigeyuki Kimura | 2004-01-06 |
| 6670079 | Photorefractive material | Kenji Kitamura, Shunji Takekawa, Myeongkyu Lee, Hideki Hatano, Satoru Tanaka +1 more | 2003-12-30 |
| 6624923 | Optically functional device, single crystal substrate for the device and method for its use | Kenji Kitamura, Shunji Takekawa, Masaru Nakamura | 2003-09-23 |
| 6535472 | Hologram recording apparatus and method therefor | Myeongkyu Lee, Kenji Kitamura, Shunji Takekawa, Hideki Hatano | 2003-03-18 |
| 6473208 | Two-color holographic recording apparatus | Myeongkyu Lee, Kenji Kitamura, Shunji Takekawa, Yoshihisa Ito, Hideki Hatano +1 more | 2002-10-29 |
| 6464777 | Single crystal of lithium niobate or tantalate and its optical element, and process and apparatus for producing an oxide single crystal | Kenji Kitamura, Shunji Takekawa, Shigeyuki Kimura | 2002-10-15 |
| 6373806 | Two-color hologram recording/reproducing apparatus | Kenji Kitamura, Shunji Takekawa, Myeongkyu Lee, Satoru Tanaka, Takashi Yamaji +1 more | 2002-04-16 |
| 6211999 | Lithium tantalate single-crystal and photo-functional device | Venkatraman Gopalan, Terence E. Mitchell, Kenji Kitamura | 2001-04-03 |
| 6195197 | Lithium niobate single-crystal and photo-functional device | Venkatraman Gopalan, Terrence Mitchell, Kenji Kitamura | 2001-02-27 |
| 6047010 | Second harmonic generator and laser applied units | Satoshi Makio, Tsuyoshi Miyai, Masayoshi Sato | 2000-04-04 |
| 5904912 | Iron-doped lithium niobate single crystal, method for heat treatment thereof and hologram-application element containing the single crystal | Kenji Kitamura, Nobuo Ii, Shigeyuki Kimura | 1999-05-18 |
| 5825793 | Laser and laser applied units | Tsuyoshi Miyai, Satoshi Makio, Masayoshi Sato | 1998-10-20 |
| 5757827 | Second harmonic generating apparatus and apparatus employing laser | Satoshi Makio, Tsuyoshi Miyai, Masayoshi Sato | 1998-05-26 |
| 5583882 | Laser apparatus and apparatus employing laser | Tsuyoshi Miyai, Satoshi Makio, Masayoshi Sato | 1996-12-10 |