Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D800972 | Amusing and resting tower piece for pets | Takao Iwai | 2017-10-24 |
| D798002 | Pet excrement picker | Masayuki Adachi, Takao Iwai | 2017-09-19 |
| D751257 | Nest forming sheet for pets | Munetaka Harada | 2016-03-08 |
| 6689160 | Prosthesis for blood vessel | Yasuhiro Okuda, Koichiro Natori, Fumihiro Hayashi, Toshihiko Kumada, Toshiya Nishibe | 2004-02-10 |
| D404057 | Electronic keyboard musical instrument | — | 1999-01-12 |
| D404059 | Electronic keyboard musical instrument | Daisuke Saito | 1999-01-12 |
| D396876 | Electronic keyboard musical instrument | — | 1998-08-11 |
| D387798 | Apparatus for tuning musical sound | — | 1997-12-16 |
| D372930 | Electronic keyboard musical instrument | — | 1996-08-20 |
| D372931 | Electronic keyboard musical instrument | — | 1996-08-20 |
| D329233 | Speaker | — | 1992-09-08 |
| 5137909 | Indole derivative and method of production thereof | Naoki Harano, Yasuo Takano, Toshiro Mochizuki, Yoshinori Takahashi, Takashi Nagayama | 1992-08-11 |