Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10422952 | Optical waveguide device and method for manufacturing an optical waveguide device | — | 2019-09-24 |
| 10324257 | Semiconductor optical waveguide, method for manufacturing the same, and optical communication device using the same | — | 2019-06-18 |
| 10254480 | Optical splitter circuit | — | 2019-04-09 |
| 9939581 | Semiconductor optical waveguide, method for manufacturing the same, and optical communication device using the same | — | 2018-04-10 |
| 9897755 | Optical waveguide device and method for manufacturing an optical waveguide device | — | 2018-02-20 |
| 9864137 | Optical waveguide element, optical waveguide device, and method for arranging optical waveguide | — | 2018-01-09 |
| 8285092 | Optical waveguide and spot size converter using the same | Yukari Deki | 2012-10-09 |
| 8150218 | Thermo-optical phase shifter | Shinya Watanabe | 2012-04-03 |
| 8027554 | Thermo-optic phase shifter and method for manufacturing same | — | 2011-09-27 |
| 7791212 | Hybrid mounted device and method of manufacturing the same | Hiroyuki Yamazaki, Yukari Deki | 2010-09-07 |
| 7633153 | Semiconductor module | Kazuo Shimokawa, Takashi Koyanagawa, Masako Ooishi, Tatsuya Yamada, Osamu Usuda +13 more | 2009-12-15 |
| 7514783 | Semiconductor module | Kazuo Shimokawa, Takashi Koyanagawa, Masako Ooishi, Tatsuya Yamada, Osamu Usuda +13 more | 2009-04-07 |
| 7382116 | Semiconductor device configured to control a gate voltage between a threshold voltage and ground | Koichi Endo | 2008-06-03 |
| 7335862 | Resistance heater having a thin-line-shaped resistor | — | 2008-02-26 |
| 7333679 | Thermophotometric phase shifter and method for fabricating the same | — | 2008-02-19 |
| 7228019 | Multi-channel Mach-Zehnder interferometer type optical circuits for restraining heat interference of adjacent channel | — | 2007-06-05 |
| 7076143 | Optical waveguide and fabricating method thereof | — | 2006-07-11 |
| 6518791 | Gate driver for driving a switching element, and a power converter in which the gate driver and an output element are integrated in one-chip | Tsutomu Kojima, Hiroshi Takei, Akira Yamashita | 2003-02-11 |
| D459267 | Ornament for a watch | — | 2002-06-25 |