Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |