| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 12 | |
| #2 | United States | 5 | |
| #3 | China | 2 | |
| #4 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Vehicle seats | |
| #2 | Clutches and brakes | |
| #3 | Chairs and beds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kobayashi Tokuzo | 19 |
| #2 | Yamane Takeshi | 16 |
| #3 | Taniguchi Yasushi | 13 |
| #4 | Tamura Kengo | 7 |
| #5 | Taniguchi Yoshinori | 4 |
| #6 | Iinuma Yutaka | 3 |
| #7 | Shimizu Arata | 3 |
| #8 | Tokuzo Kobayashi | 1 |
| #9 | Kengo Tamura | 1 |
| #10 | Takeshi Yamane | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2016199299A1 | Headrest | |
| US2016355112A1 | Headrest | |
| WO2015118646A1 | Clutch device | |
| WO2014073249A1 | Headrest position adjustment device and headrest | |
| WO2015019410A1 | Ottoman apparatus | |
| WO2014069067A1 | Tilting device for headrest, and headrest | |
| WO2014024709A1 | Armrest mechanism unit | |
| US2014353093A1 | Rotary damper | |
| WO2014174688A1 | Cushion spring production method and cushion spring |