Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8735700 | Bearing member | — | 2014-05-27 |
| 7766678 | SIM card connector with eject mechanism | — | 2010-08-03 |
| 7767426 | Method of producing riboflavin | Hiroshi Nitta, Enoch Park, Hua Ming, Eun He Jung | 2010-08-03 |
| 7661971 | Card connector | — | 2010-02-16 |
| 7335829 | Bat for upright piano | Kenji Yoshisue | 2008-02-26 |
| 7141728 | Action part for piano | Kenji Yoshisue | 2006-11-28 |
| 7131849 | Connector for connecting printed circuit boards | Takeshi Nishimura, Toshiyasu Ito | 2006-11-07 |
| 6851959 | Card connector | Masaaki Ooya | 2005-02-08 |
| 6840786 | Card connector having improved support member for eject mechanism | Shigeru Sato | 2005-01-11 |
| 6840807 | Card connector | Masaaki Ooya, Yasuhiro Ono | 2005-01-11 |
| 6729894 | Card connector | Masaaki Ooya | 2004-05-04 |
| 6699061 | Card connector | Shigeru Sato, Takashi Torii | 2004-03-02 |
| 6692276 | Card connector | Eiji Matsuda | 2004-02-17 |
| 6669494 | Card connector having improved stopper for eject mechanism | — | 2003-12-30 |
| 6648660 | Card connector having improved support member for eject mechanism | Shigeru Sato | 2003-11-18 |
| 5989510 | Method of producing granular amorphous silica | Kazuhiko Suzuki, Hiroshi Ogawa | 1999-11-23 |
| 5646359 | Silencing method and apparatus for pianos | Tsutomu Kihara | 1997-07-08 |
| 5528969 | Damper unit for a piano | Tsutomu Kihara | 1996-06-25 |
| 5453260 | Amorphous silica or silica-alumina spherical particles and process for preparation thereof | Tadahisa Nakazawa, Masahide Ogawa, Kazuhiko Suzuki, Takashi Tokita, Toshio Ito | 1995-09-26 |
| 5418043 | Amorphous silica filler | Masahide Ogawa, Masao Takahashi, Yuuzi Washio, Kazumitsu Enomoto, Toshio Kitsu | 1995-05-23 |
| 5384191 | Amorphous silica filler | Masahide Ogawa, Masao Takahashi, Yuuzi Washio, Kazumitsu Enomoto, Toshio Kitsu | 1995-01-24 |
| 5342876 | Spherical granules of porous silica or silicate, process for the production thereof, and applications thereof | Kazuhiko Suzuki, Hiroshi Ogawa, Masaichi Kikuchi | 1994-08-30 |
| 5298234 | Alumina-silica resin additive | Tadahisa Nakazawa, Masahide Ogawa, Kazuhiko Suzuki | 1994-03-29 |
| 5266397 | Amorphous silica-type filler | Masahide Ogawa, Masao Takahashi, Yuuzi Washio, Kazumitsu Enomoto, Toshio Kitsu | 1993-11-30 |
| 5236683 | Amorphous silica spherical particles | Tadahisa Nakazawa, Masahide Ogawa, Kazuhiko Suzuki, Takashi Tokita, Toshio Ito | 1993-08-17 |