| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 24 | |
| #2 | China | 20 | |
| #3 | Republic of Korea | 18 | |
| #4 | United States | 7 | |
| #5 | WIPO (World Intellectual Property Organization) | 4 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Transport | |
| #3 | Consumer goods | |
| #4 | Measurement | |
| #5 | Medical technology | |
| #6 | Machine tools | |
| #7 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Furniture for children | |
| #2 | Hand carts | |
| #3 | Footwear features | |
| #4 | Vehicle seats | |
| #5 | Horticulture | |
| #6 | Turning | |
| #7 | Operating tables | |
| #8 | Travel equipment | |
| #9 | Measuring length, angles and areas | |
| #10 | Analysing materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kassai Kenzou | 53 |
| #2 | Ohnishi Ichiro | 20 |
| #3 | Suzuki Sachiyo | 13 |
| #4 | Nishikura Miyuki | 8 |
| #5 | Ichiro Kassai Kenzou Ohnishi | 6 |
| #6 | Tsuneka Yasuhiro | 5 |
| #7 | Oonuma Toshio | 5 |
| #8 | Ito Masaki | 3 |
| #9 | Takahashi Fumiko | 3 |
| #10 | Sachiyo Kassai Kenzou Suzuki | 3 |
| Publication | Filing date | Title |
|---|---|---|
| KR20060126360A | Removable seat for children | |
| CN1980585A | Child-care instrument and hood | |
| EP1754423A1 | Shoe | |
| EP1780093A1 | Movable carriage | |
| WO2005122839A1 | Bed | |
| EP1616509A1 | Seat for childcare equipment | |
| CN1750778A | Swing chair and child-care chair | |
| US2006138827A1 | Swing chair and child-care chair |