Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12180119 | Transparent ceramics, manufacturing method thereof, and magneto-optical device | Keita Tanaka, Shinji Aoki | 2024-12-31 |
| 11067835 | Method for producing transparent ceramic,transparent ceramic, magneto-optical device and rare earth oxide powder for sintering | Shinji Aoki, Yoshihiro Nojima | 2021-07-20 |
| 10858294 | Transparent ceramics, manufacturing method thereof, and magneto-optical device | Keita Tanaka, Shinji Aoki | 2020-12-08 |
| 10642073 | Method for producing transparent ceramic, transparent ceramic, magneto-optical device and rare earth oxide powder for sintering | Shinji Aoki, Yoshihiro Nojima | 2020-05-05 |
| 9482888 | Magneto-optical material, Faraday rotator, and optical isolator | Toshiaki Watanabe, Akio Yamanaka, Hirotaka Naruse | 2016-11-01 |
| 9470915 | Transparent ceramic, method for manufacturing same, and magneto-optical device | Akira Yahagi, Akio Ikesue | 2016-10-18 |
| 9429778 | Optical isolator for a wavelength band of 600-800 nm | Akira Yahagi, Toshiaki Watanabe | 2016-08-30 |
| 9090513 | Method of manufacturing transparent sesquioxide sintered body, and transparent sesquioxide sintered body manufactured by the method | Masanori Ikari, Yoshihiro Nojima, Akio Ikesue | 2015-07-28 |
| 8753538 | Oxide and magneto-optical device | Toshiaki Watanabe, Akio Yamanaka, Hirotaka Naruse | 2014-06-17 |
| 8625197 | Optical isolator | Toshiaki Watanabe, Tomohiro Koyama, Hisaya Oda, Takuya Takahashi, Akio Yamanaka | 2014-01-07 |
| 7241823 | Radiation curing silicone rubber composition, adhesive silicone elastomer film formed from same, semiconductor device using same, and method of producing semiconductor device | Tsutomu Kashiwagi, Toshiyuki Sutou, Toshio Shiobara | 2007-07-10 |
| 6701752 | Synthesized silica glass optical member and method for manufacturing the same | Jun Abe, Nobuyasu Mantoku, Seiki Ejima | 2004-03-09 |
| 6681074 | Method for producing base material for optical fiber having deformed first clad, base material for optical fiber and optical fiber | Jun Abe, Nobuyasu Mantoku, Seiki Ejima | 2004-01-20 |
| 6615614 | Method for preparing optical waveguide substrate | Shigeru Konishi, Seiki Ejima | 2003-09-09 |
| 6436728 | Method for making an optical waveguide substrate | Hiroshi Aoi, Masaaki Shirota, Seiki Ejima | 2002-08-20 |
| 6437304 | Steam generator | Kazufumi Ushijima, Tadatomo Ohnoda | 2002-08-20 |
| 6402973 | Preparation of silicon substrate | Yasushi Maeda, Masaharu Horiguchi, Seiki Ejima | 2002-06-11 |
| 5061855 | Radiation detector | Toshihiko Ryuo, Tatsuo Mori | 1991-10-29 |
| 4898641 | Single crystal wafer of lithium tantalate | Masahiro Ogihara, Masaaki Iguchi | 1990-02-06 |
| 4776917 | Single crystal wafer of lithium tantalate | Masahiro Ogihara, Masaaki Iguchi | 1988-10-11 |