Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7619813 | Wavelength division multiplexing device, an optical leakage prevention method, and a wavelength division multiplexing communication system | Taizo Maeda, Satoru Okano | 2009-11-17 |
| 7522839 | Method of upgrading optical node, and an optical node apparatus | Miki Onaka, Yasushi Sugaya, Takahumi Terahara, Satoru Okano, Hiroaki Tomofuji +1 more | 2009-04-21 |
| 7489876 | Optical transmission system having noise-elimination function | Motoyoshi Sekiya, Hidezumi Natori | 2009-02-10 |
| 7391560 | Multistage optical amplifier having tilt compensation feature | Hidezumi Natori, Motoyoshi Sekiya | 2008-06-24 |
| 7364698 | Automatic analyzer | Katsuaki Takahashi, Masaharu Nishida | 2008-04-29 |
| 7313327 | Switching control device for wavelength-division multiplexing optical signal | Futoshi Izumi | 2007-12-25 |
| 7248804 | Optical transmission device using a wide input dynamic range optical amplifier | Taizo Maeda, Motoyoshi Sekiya | 2007-07-24 |
| 7139347 | Parallel signal automatic phase adjusting circuit | Futoshi Izumi | 2006-11-21 |
| 6925245 | Method and medium for recording video information | Takefumi Miyatake, Akio Nagasaka, Shigeki Nagaya | 2005-08-02 |
| 6798908 | Surveillance apparatus and recording medium recorded surveillance program | Takafumi Miyatake, Shigeki Nagaya, Akio Nagasaka | 2004-09-28 |
| 6798909 | Surveillance apparatus and recording medium recorded surveillance program | Takafumi Miyatake, Shigeki Nagaya, Akio Nagasaka | 2004-09-28 |
| 6750903 | Super high resolution camera | Takafumi Miyatake, Akio Nagasaka | 2004-06-15 |
| 6741977 | Image recording/reproducing apparatus in monitor system | Shigeki Nagaya, Takafumi Miyatake, Akio Nagasaka | 2004-05-25 |
| 6600874 | Method and device for detecting starting and ending points of sound segment in video | Takafumi Miyatake, Akio Nagasaka | 2003-07-29 |
| 6341168 | Method and apparatus for detecting and displaying a representative image of a shot of short duration in a moving image | Akio Nagasaka, Takafumi Miyatake, Katsumi Taniguchi, Kazuaki Tanaka | 2002-01-22 |
| 6321024 | Control method for detecting change points in motion picture images and for stopping reproduction thereof and control system for monitoring picture images utilizing the same | Takafumi Miyatake, Akio Nagasaka, Katsumi Taniguchi | 2001-11-20 |
| 6256419 | Method and apparatus for detecting a point of change in a moving image | Akio Nagasaka, Takafumi Miyatake, Kazuaki Tanaka, Shigeki Nagaya | 2001-07-03 |
| 6191707 | Method of displaying moving object for enabling identification of its moving route, display system using the same, and program recording medium therefor | Katumi Taniguchi, Takafumi Miyatake, Akio Nagasaka | 2001-02-20 |
| 6157744 | Method and apparatus for detecting a point of change in a moving image | Akio Nagasaka, Takafumi Miyatake, Kazuaki Tanaka, Shigeki Nagaya | 2000-12-05 |
| 6023520 | Method and apparatus for detecting and displaying a representative image of a shot of short duration in a moving image | Akio Nagasaka, Takafumi Miyatake, Katsumi Taniguchi, Kazuaki Tanaka | 2000-02-08 |
| 6005493 | Method of displaying moving object for enabling identification of its moving route display system using the same, and program recording medium therefor | Katumi Taniguchi, Takafumi Miyatake, Akio Nagasaka | 1999-12-21 |
| 5974219 | Control method for detecting change points in motion picture images and for stopping reproduction thereof and control system for monitoring picture images utilizing the same | Takafumi Miyatake, Akio Nagasaka, Katsumi Taniguchi | 1999-10-26 |
| 5945976 | Graphic data processing system | Kazuaki Iwamura, Tsuneya Kurihara | 1999-08-31 |
| 5862508 | Moving object detection apparatus | Shigeki Nagaya, Takafumi Miyatake | 1999-01-19 |
| 5721692 | Moving object detection apparatus | Shigeki Nagaya, Takafumi Miyatake | 1998-02-24 |