Issued Patents All Time
Showing 1–25 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11227953 | Tunneling field effect transistor | Kimihiko Kato, Mitsuru Takenaka, Hitoshi Tabata, Hiroaki Matsui | 2022-01-18 |
| 11199663 | Optical multiplexer/demultiplexer and method for manufacturing the same | Toshiharu Kato | 2021-12-14 |
| 10983411 | Metal-oxide-semiconductor (MOS) optical modulator and method of manufacturing same | Mitsuru Takenaka, Jae-Hoon Han | 2021-04-20 |
| 9117658 | Method of producing semiconductor wafer, semiconductor wafer, method of producing semiconductor device and semiconductor device | Mitsuru Takenaka, Jaehoon Han, Tomoyuki Takada, Takenori Osada, Masahiko Hata | 2015-08-25 |
| 9112035 | Semiconductor substrate, field-effect transistor, integrated circuit, and method for fabricating semiconductor substrate | Hisashi Yamada, Masahiko Hata, Masafumi Yokoyama, Mitsuru Takenaka, Tetsuji Yasuda +2 more | 2015-08-18 |
| 8901656 | Semiconductor wafer, field-effect transistor, method of producing semiconductor wafer, and method of producing field-effect transistor | Takeshi Aoki, Hisashi Yamada, Noboru Fukuhara, Masahiko Hata, Masafumi Yokoyama +3 more | 2014-12-02 |
| 8779471 | Field-effect transistor, semiconductor wafer, method for producing field-effect transistor and method for producing semiconductor wafer | Masahiko Hata, Hisashi Yamada, Noboru Fukuhara, Mitsuru Takenaka, Masafumi Yokoyama +5 more | 2014-07-15 |
| 8518543 | DLC-coated sliding member and method for producing the same | Makoto Kano, Takahiro Horiuchi, Masao Kumagai, Eiji Shimodaira, Yoshio Miyasaka | 2013-08-27 |
| 8431459 | Semiconductor wafer, semiconductor device, and method of manufacturing a semiconductor device | Mitsuru Takenaka, Masahiko Hata, Osamu Ichikawa | 2013-04-30 |
| 8174095 | Semiconductor device and manufacturing method thereof | Toshifumi Irisawa, Naoharu Sugiyama | 2012-05-08 |
| 8008751 | Semiconductor device and manufacturing method thereof | Toshifumi Irisawa, Naoharu Sugiyama | 2011-08-30 |
| 7679181 | Semiconductor device | Junji Fujino | 2010-03-16 |
| 7659537 | Field effect transistor | Tsutomu Tezuka, Tomohisa Mizuno | 2010-02-09 |
| 7622773 | Semiconductor device including multi-gate metal-insulator-semiconductor (MIS) transistor | Toshifumi Irisawa, Toshinori Numata, Naoharu Sugiyama | 2009-11-24 |
| 7619239 | Semiconductor device and method of manufacturing the same | Toshifumi Irisawa, Toshinori Numata, Tsutomu Tezuka, Naoharu Sugiyama | 2009-11-17 |
| 7557018 | Element fabrication substrate | Shu Nakaharai, Tsutomu Tezuka | 2009-07-07 |
| 7507634 | Method for fabricating a localize SOI in bulk silicon substrate including changing first trenches formed in the substrate into unclosed empty space by applying heat treatment | Tsutomu Sato, Mie Matsuo, Ichiro Mizushima, Yoshitaka Tsunashima | 2009-03-24 |
| 7489042 | Stem for optical element and optical semiconductor device using the same | Isao Oshima | 2009-02-10 |
| 7313292 | Optical component using optical transmission element joining metal holder | Yoshihiro Hashimoto, Ken Matsuoka, Katsunori Suzuki, Tetsutsugu Hamano | 2007-12-25 |
| 7301974 | Wavelength monitoring apparatus | Masao Imaki, Yoshihito Hirano, Makoto Satou, Kenji Masuda, Akihiro Adachi +1 more | 2007-11-27 |
| 7283302 | Wavelength filter and wavelength monitor device | Masao Imaki, Yoshihito Hirano, Makoto Sato, Akihiro Adachi, Yasunori Nisimura | 2007-10-16 |
| 7235456 | Method of making empty space in silicon | Tsutomu Sato, Mie Matsuo, Ichiro Mizushima, Yoshitaka Tsunashima | 2007-06-26 |
| 7229892 | Semiconductor device and method of manufacturing the same | Koji Usuda | 2007-06-12 |
| 7217958 | Feed through structure for optical semiconductor package | Hiroshi Aruga, Kiyohide Sakai | 2007-05-15 |
| 7165897 | Optical module | — | 2007-01-23 |