Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12250351 | Information processing device and non-transitory computer readable medium for changing setting according to installation place | — | 2025-03-11 |
| 9838113 | Optical wavelength multiplexing device, optical transmission device, and abnormality determination method | Kota Ejima, Masahiro Yamakami, Satoshi Yoshimura, Takumi Tochigi | 2017-12-05 |
| 9191143 | Optical transmission device and optical transmission device control method | Masahiro Yamakami, Yoshiyuki Maeda | 2015-11-17 |
| 8611748 | WDM optical transmission system and wavelength dispersion compensation method | Yoshiyuki Maeda | 2013-12-17 |
| 7894439 | Communication device in a virtual private network using a multi protocol label switch | — | 2011-02-22 |
| 6545323 | Semiconductor memory device including a pair of MOS transistors forming a detection circuit | Yukihito Oowaki, Masako Yoshida | 2003-04-08 |
| 6376897 | Lateral bipolar transistor formed on an insulating layer | Takashi Yamada, Hideaki Nii, Tomoaki Shino, Kazumi Inoh, Shigeru Kawanaka +2 more | 2002-04-23 |
| 6342408 | Method of manufacturing semiconductor memory device | Yukihito Oowaki, Masako Yoshida | 2002-01-29 |
| 6174779 | Method for manufacturing a lateral bipolar transistor | Tomoaki Shino, Takashi Yamada, Shigeru Kawanaka, Hideaki Nii, Kazumi Inoh +3 more | 2001-01-16 |
| 6130461 | Semiconductor memory device | Yukihito Oowaki, Masako Yoshida | 2000-10-10 |
| 5895956 | Semiconductor memory device | Yukihito Oowaki, Masako Yoshida | 1999-04-20 |
| 5886385 | Semiconductor device and manufacturing method thereof | Osamu Arisumi, Akira Nishiyama | 1999-03-23 |
| 5844278 | Semiconductor device having a projecting element region | Tomohisa Mizuno, Yukihiro Ushiku, Mamoru Terauchi, Shigeru Kawanaka | 1998-12-01 |
| 5734181 | Semiconductor device and manufacturing method therefor | Ryuji Ohba, Tomohisa Mizuno, Kazuya Ohuchi | 1998-03-31 |
| 5698869 | Insulated-gate transistor having narrow-bandgap-source | Satoshi Inaba, Atsushi Murakoshi, Mamoru Terauchi, Naoyuki Shigyo, Yoshiaki Matsushita +8 more | 1997-12-16 |
| 5485028 | Semiconductor device having a single crystal semiconductor layer formed on an insulating film | Minoru Takahashi, Naoyuki Shigyo | 1996-01-16 |
| 5463234 | High-speed semiconductor gain memory cell with minimal area occupancy | Akira Toriumi, Naoyuki Shigyo, Tetsunori Wada, Hiroyoshi Tanimoto, Kazuya Ohuchi | 1995-10-31 |
| 5100810 | Manufacturing method of semiconductor devices | Minoru Takahashi | 1992-03-31 |
| 5097311 | Semiconductor device | Masao Iwase, Sanae Fukuda | 1992-03-17 |