Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D593606 | Ballpoint pen | Shigeo Oka, Etsuyo Yamada | 2009-06-02 |
| D500070 | Projector | Toshiyuki Yamaguchi, Takayuki Okamoto, Naoto Fukasawa | 2004-12-21 |
| D360509 | Steam iron | Masakatsu Maeda | 1995-07-18 |