Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7440475 | Error-correction multiplexing apparatus, error-correction demultiplexing apparatus, optical transmission system using them, and error-correction multiplexing transmission method | Hideo Yoshida | 2008-10-21 |
| 7428692 | Parallel precoder circuit | Yoshiaki Konishi | 2008-09-23 |
| 7398450 | Parallel precoder circuit | Yoshiaki Konishi, Yasuyuki Endoh | 2008-07-08 |
| 7392440 | Optical reception device and optical reception method | Kazuhide Ouchi | 2008-06-24 |
| 7340182 | Multiplexer | Aritomo Uemura, Seiji Kozaki, Hiroshi Ichibangase | 2008-03-04 |
| 7239673 | Optical reception apparatus | Kazushige Sawada, Takashi Mizuochi, Hideo Yoshida, Hachiro Fujita, Katsuhiro Shimizu +1 more | 2007-07-03 |
| 7218861 | Optical transceiver, a multiplexing integrated circuit, a demultiplexing integrated circuit, an integral multiplexing/demultiplexing integrated circuit, and method for evaluating and testing the optical transceiver | Hirofumi Totsuka, Kuniaki Motoshima | 2007-05-15 |
| 7043162 | Optical transmission system, fec multiplexer, fec multiplexer/separator, and error correction method | Hideo Yoshida, Hiroshi Ichibangase | 2006-05-09 |
| 6959011 | Data transmission and reception system, data transmitter and data receiver | Koichi Takizawa, Hiroshi Ichibangase | 2005-10-25 |
| 6870859 | Multiplexing system and multiplexing method of tributary signals | Seiji Kozaki, Hiroshi Ichibangase, Eiichi Shibano, Tadami Yasuda | 2005-03-22 |
| 6868514 | FEC frame structuring method and FEC multiplexer | Hideo Yoshida, Hiroshi Ichibangase, Hidenori Taga, Eiichi Shibano, Tadami Yasuda | 2005-03-15 |
| 6658605 | Multiple coding method and apparatus, multiple decoding method and apparatus, and information transmission system | Hideo Yoshida, Takahiko Nakamura, Hachiro Fujita, Yoshikuni Miyata | 2003-12-02 |
| 5667367 | Air compressor | Koji Akashi | 1997-09-16 |
| 5624236 | Oil cooled air compressor | Koji Akashi | 1997-04-29 |
| 5507618 | Package-type oil-cooled air compressor | Koji Akashi, Keitaro Ishikawa | 1996-04-16 |
| 5490147 | Frame alignment circuit | — | 1996-02-06 |
| 5452305 | Frame phase synchronization apparatus and method, and a phase synchronization apparatus of TDM frames | Eiji Nagatake | 1995-09-19 |
| 5327434 | Frame alignment circuit | — | 1994-07-05 |
| 5199858 | Oil injection type screw compressor | Noboru Tsuboi, Masaki Matsukuma, Terumasa Kume, Tsuyoshi Niimura, Atsushi Ikeda | 1993-04-06 |
| 5176505 | Oil-cooled compressor | Tsutomu Horii, Masaki Matsukuma, Terumasa Kume | 1993-01-05 |
| 5171130 | Oil-cooled compressor and method of operating same | Terumasa Kume, Masaki Matsukuma, Tsutomu Horii, Yoshitomo Yamamoto | 1992-12-15 |
| 4957019 | Power transmission device of a press machine | — | 1990-09-18 |
| 4951638 | Screw type mechanical supercharger | Noboru Tsuboi, Kunihiko Nishitani | 1990-08-28 |
| 4826412 | Mechanically driven screw supercharger | Itsuro Nomura, Kunihiko Nishitani, Noboru Tsuboi | 1989-05-02 |
| 4815556 | Vibration-proof apparatus for a vehicle | Takashi Sumimoto, Takashi Hirochika, Hideki Imanishi | 1989-03-28 |