Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637839 | Ultrasonic coordinate input apparatus | Nobuyasu Yamaguchi, Yasuhide Iwamoto, Atsuo Iida | 1997-06-10 |
| 5601620 | Acidic hair dye compositions which comprise acid dyes, benzyl alchol, and polysiloxanes | — | 1997-02-11 |