Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6197708 | Dust-removing synthetic resin filter | Hideto Yoshida, Tomoyuki Imai, Masayuki Okamoto, Takahiro Imano | 2001-03-06 |
| 5993536 | Method of decoloring colored concrete | Toshiki Matsui, Masaru Isoai, Tomoyuki Imai | 1999-11-30 |
| 5977235 | Material having a damping property and masterbatch pellets therefor | Shigeru Takaragi, Tetsuro Toda, Tomohisa Moriya | 1999-11-02 |
| 5569695 | Self-fusion type damping material | Atsunori Kishimoto, Takashi Fujii, Kazutaka Ohshita, Kazumi Yamamoto, Tetsuro Toda | 1996-10-29 |
| 5389482 | Magnetic particle powder included in magnetic toners for magnetic image character recognition | Yoji Okano, Kazuo Fujioka, Koso Aoki, Hiromitsu Misawa, Eiichi Kurita | 1995-02-14 |
| 5350793 | Damping material | Atsunori Kishimoto, Takashi Fujii, Kazutaka Ohshita, Kazumi Yamamoto, Tetsuro Toda | 1994-09-27 |
| 5328793 | Magnetic particles for magnetic toner | Hiromitsu Misawa, Kazuo Fujioka, Eiichi Kurita, Yoji Okano | 1994-07-12 |
| 5232805 | Magnetic particles containing iron as the main component and process for producing the same | Hiromitsu Misawa, Kazuo Fujioka, Eiichi Kurita, Youzi Okano | 1993-08-03 |
| 4551840 | Digital data duplication apparatus | Isao Owaki, Susumu Saito, Takaro Mori, Shinji Nakamura | 1985-11-05 |
| 4546393 | Digital data transmission system with modified NRZI | Takaro Mori, Susumu Saito | 1985-10-08 |
| 4527207 | Tape speed control for producing a master tape carrying a digital signal | Isao Owaki, Susumu Saito, Shinji Nakamura | 1985-07-02 |
| 4524445 | Method and circuit arrangement for synchronous detection | — | 1985-06-18 |
| 4481648 | Method and system for producing a synchronous signal from _cyclic-redundancy-coded digital data blocks | — | 1984-11-06 |
| 4450490 | System for obtaining synchronized reproduction from a plurality of reproducing apparatuses | Mitsuru Kikuchi, Hiroyuki Saito | 1984-05-22 |
| 4408333 | Data acquisition circuit | — | 1983-10-04 |