Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6292603 | Dispersion compensation device | Takashi Mizuochi, Tadayoshi Kitayama, Hideaki Tanaka | 2001-09-18 |
| 6246618 | Semiconductor integrated circuit capable of testing and substituting defective memories and method thereof | Seiji Yamamoto, Yasushi Okamoto | 2001-06-12 |
| 6236599 | Repair signal generating circuit | — | 2001-05-22 |
| 6236843 | Radio terminal device for automatically correcting phase difference between a received signal and an internally generated signal | — | 2001-05-22 |
| 6171266 | Massaging apparatus having diagnostic capability | Nichimu Inada | 2001-01-09 |
| 6157098 | Feed line connection circuit and optical transmission system | Junichi Kojima, Kenichi Asakawa, Toshio Kawazawa, Koh-ichi Tatekura, Etsuo Nazuka | 2000-12-05 |
| 6115156 | Demultiplexer device for wavelength-division multiplexed optical fiber communication | Tomohiro Otani, Toshio Kawazawa, Hiroharu Wakabayashi | 2000-09-05 |
| 6021085 | Read only semiconductor memory device | — | 2000-02-01 |
| 5978122 | Noise suppression method for wavelength division multiplexing transmission system | Toshio Kawazawa, Tomohiro Otani, Haruo Abe, Masando Tanaka | 1999-11-02 |
| 5925146 | Reception data expander having noise reduced in generation of reception data error | Kenji Murata | 1999-07-20 |
| 5764941 | Operating circuit and method for processing signals in ADPCM system | Satoru Kinoshita | 1998-06-09 |
| 5645359 | Bidirectional serial printer | Akira Oda | 1997-07-08 |
| 5628449 | Method of welding a carbon steel and an austenitic stainless steel together and resultant structure | Tsutomu Onuma, Toshimi Matsumoto, Masami Yada, Osamu Matsushima, Hideo Suzuki +2 more | 1997-05-13 |
| 5510930 | Light amplifying apparatus | Kuniaki Motoshima, Tadayoshi Kitayama, Junichiro Yamashita, Eiichi Nakagawa, Shigeyuki Akiba +3 more | 1996-04-23 |
| 5498849 | Structure of metal container having trunk pipe and branch pipe, and manufacturing method and apparatus therefor | Osamu Isshiki, Masaki Murashita, Osamu Matsushima, Sadao Nakagawa, Seizo Nakano +7 more | 1996-03-12 |
| 5444206 | Structure of metal container having trunk pipe and branch pipe, and manufacturing method and apparatus therefor | Osamu Isshiki, Masaki Murashita, Osamu Matsushima, Sadao Nakagawa, Seizo Nakano +7 more | 1995-08-22 |
| 5389478 | Electrophotographic photosensitive member, and electrophotographic apparatus, device unit, and facsimile machine employing the same | Akira Yoshida, Fumio Sumino | 1995-02-14 |
| 5138621 | Pumping light source drive system for an optical amplifier | Shu Yamamoto, Yukio Horiuchi, Hiroharu Wakabayashi | 1992-08-11 |
| 4853736 | Image forming apparatus | Teigo Sakakibara | 1989-08-01 |
| 4729696 | Cartridge for use in fixing an anchor bolt and a method | Eiichi Suzuki | 1988-03-08 |
| 4628019 | Process for developing electrostatic images and toner therefor | Koshi Suematsu, Takeshi Ikeda, Atsuko Yamamoto, Eiichi Imai | 1986-12-09 |
| 4415643 | Process for preparing photoconductive cadmium sulfide | Isamu Kajita, Ichiro Nomura, Hirokuni Kawashima | 1983-11-15 |