Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6708479 | Braiding yarn made of expanded graphite | Takashi Ikeda | 2004-03-23 |
| 6644007 | Braiding yarn made of expanded graphite | Takahisa Ueda | 2003-11-11 |
| 6572117 | Gland packing | Takashi Ikeda | 2003-06-03 |
| 6568689 | Gland packing | Takahisa Ueda | 2003-05-27 |
| 6502382 | Expanded graphite knitting yarn and a gland packing | Takahisa Ueda | 2003-01-07 |
| 6400501 | Optical microscope | Atsuhiro Tsuchiya, Sadashi Adachi | 2002-06-04 |
| 6226118 | Optical microscope | Kenichi Koyama, Atsuhiro Tsuchiya, Sadashi Adachi | 2001-05-01 |
| 6082739 | Gland packing | Takahisa Ueda | 2000-07-04 |
| 6031127 | Process for preparing L-p-boronophenylalanine and intermediate for preparing the same | Yoshinori Yamamoto, Hiroyuki Nakamura | 2000-02-29 |
| 5803464 | Gland packing | Takahisa Ueda | 1998-09-08 |
| 5765838 | Sealing gasket made of expanded graphite, with opened thin-leaf surface structure | Takahisa Ueda, Terumasa Yamamoto | 1998-06-16 |
| 5628520 | Sealing material made of expanded graphite having opened thin-leaf surface structure | Takahisa Ueda, Terumasa Yamamoto | 1997-05-13 |
| 5573253 | Packing rings, method for production of the packing rings, and seal device using the packing rings | Kazumasa Naitou, Shosuke Naito, Takahisa Ueda | 1996-11-12 |
| 5522603 | Packing rings, method for production of the packing rings, and seal device using the packing rings | Kazumasa Naitou, Shosuke Naito, Takahisa Ueda | 1996-06-04 |