Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9761463 | Semiconductor device and semiconductor device manufacturing method | Kazumasa Tanida, Takamitsu Yoshida, Atsuko Kawasaki | 2017-09-12 |
| 7994584 | Semiconductor device having non-silicide region in which no silicide is formed on diffusion layer | Takayuki Hiraoka, Tsutomu Kojima, Kenji Honda | 2011-08-09 |
| 7650112 | Method and system for extending coverage of WLAN access points via optically multiplexed connection of access points to sub-stations | Hiroaki Yamamoto, Kouichi Masuda, Tsutomu Niiho, Mariko Nakaso, Hiroyuki Sasai | 2010-01-19 |
| 7460829 | Wireless communication system | Hiroaki Yamamoto, Kouichi Masuda, Tsutomu Niiho, Mariko Nakaso, Kazuo Tanaka +1 more | 2008-12-02 |
| 7076166 | Low-cost optical burst transmission system, apparatus, and method | Masaru Fuse, Toru Shiozaki, Yoshikazu Ishii, Hiroaki Asano, Katsumi Iwatsuki +3 more | 2006-07-11 |
| 6909855 | FM modulator | Masaru Fuse, Satoshi Furusawa | 2005-06-21 |
| 6687465 | FM modulator | Masaru Fuse, Satoshi Furusawa | 2004-02-03 |
| 6512621 | FM modulator | Masaru Fuse, Satoshi Furusawa | 2003-01-28 |
| 6459519 | Optical transmitter-receiver | Hiroyuki Sasai, Kazuki Maeda | 2002-10-01 |
| 6271942 | Optical transmission device and system | Hiroyuki Sasai, Hiroaki Yamamoto, Katsuyuki Fujito, Yutaka Fuke | 2001-08-07 |
| 6118479 | Optical transmission method, error rate evaluation method applied in optical transmission and apparatus for generating a signal for error rate evaluation | Kazuki Maeda, Susumu Morikura | 2000-09-12 |
| 6078412 | Optical transmitter and optical transmission system using the same | Masaru Fuse | 2000-06-20 |
| 5973820 | FM modulation device | Masaru Fuse, Seiichiro Kawashima, Koji Kikushima | 1999-10-26 |
| 5729281 | Catv system in which chanel selection signal is transmitted from the subscriber location | Hiroyuki Sasai, Hiroaki Yamamoto, Manabu Tanabe, Katsuyuki Fujito | 1998-03-17 |
| 5644389 | Method for measuring distance between reflection points along light transmission line and reflectance thereof | Hiroaki Yamamoto, Katsuyuki Fujito | 1997-07-01 |
| 5574569 | Image signal transmission apparatus for repeatedly reproducing and transmitting a main image and a sub-image using an optical disc | Kazuki Maeda | 1996-11-12 |
| 5539657 | Picture image distributing apparatus provided within passenger moving vehicle | Hiroaki Nakata, Susumu Morikura, Hiroaki Yamamoto, Kazuki Maeda, Masaru Fuse | 1996-07-23 |
| 5532865 | Fiber optic communication terminal, fiber optic communication system, and its wavelength setting method | Hiroaki Yamamoto, Katsuyuki Fujito | 1996-07-02 |
| 5519530 | Peak compression circuit and light transmitter | — | 1996-05-21 |
| 5490227 | Light receiving module for SCM transmission | Manabu Tanabe, Hideaki Takechi, Hiroyuki Sasai, Yasushi Matsui, Shigeru Yamane | 1996-02-06 |
| 5432767 | Optical disc, an image signal transmitting apparatus utilizing the optical disc and an image signal transmitting method | Kazuki Maeda | 1995-07-11 |
| 5339315 | Cable broadcasting system and the transmission center for on demand program services | Kazuki Maeda, Katsuyuki Fujito | 1994-08-16 |
| 5204767 | Pay-channel transmission system for CATV | Hiroaki Nakata, Kazuki Maeda | 1993-04-20 |
| 4644536 | Method and apparatus for multiplexing digital signals | — | 1987-02-17 |