Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1039295 | Cushion | Yasuyuki Nishikawa, Jun Yasukawa, Hideaki Mogi, Sho Ikeda, Mari Aoki | 2024-08-20 |
| D1036155 | Cushion | Yasuyuki Nishikawa, Jun Yasukawa, Hideaki Mogi, Sho Ikeda, Mari Aoki | 2024-07-23 |
| D1035329 | Cushion material | Yasuyuki Nishikawa, Jun Yasukawa, Hideaki Mogi, Sho Ikeda, Akihiko Kawasaka +3 more | 2024-07-16 |
| D1033985 | Cushion material | Yasuyuki Nishikawa, Jun Yasukawa, Hideaki Mogi, Sho Ikeda, Akihiko Kawasaka +3 more | 2024-07-09 |
| D1026503 | Cushion | Yasuyuki Nishikawa, Jun Yasukawa, Hideaki Mogi, Sho Ikeda, Mari Aoki | 2024-05-14 |
| D966011 | Cushion material | Ko Tajima, Akihiko Kawasaka | 2022-10-11 |
| D927890 | Mattress | Ko Tajima, Akihiko Kawasaka | 2021-08-17 |
| D927227 | Mattress | Ko Tajima, Akihiko Kawasaka | 2021-08-10 |
| 5404603 | Oscillating bed | Koushiro Fukai, Yoshihisa Yamamoto, Kenji Takagi | 1995-04-11 |