| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Materials and metallurgy | |
| #5 | Surface technology and coating | |
| #6 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds | |
| #2 | Office furniture | |
| #3 | Shaping of plastics | |
| #4 | Unspecified technologies | |
| #5 | Certain plastics | |
| #6 | Hand carts | |
| #7 | Layered products | |
| #8 | Building materials | |
| #9 | Spinning | |
| #10 | Vehicle wheels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kumazawa Takumi | 38 |
| #2 | Saito Naoyuki | 11 |
| #3 | Tamaoki Shoichi | 10 |
| #4 | Hayashi Shigeki | 9 |
| #5 | Shimamoto Jiyunichi | 9 |
| #6 | Ogino Tamotsu | 8 |
| #7 | Asano Hiroshi | 7 |
| #8 | Izeki Toru | 6 |
| #9 | Takeda Koji | 6 |
| #10 | Takahashi Masaru | 6 |
| Publication | Filing date | Title |
|---|---|---|
| JP2019162544A | chair | |
| JP2019150568A | Chair and staircase type movable stands | |
| JP2019069309A | Chair | |
| JP2020124426A | Chair | |
| JP2019030781A | Seat body support mechanism | |
| JP2020062335A | Chair | |
| JP2020000652A | Chair | |
| JP2019206298A | Carriage for furniture | |
| JP2019205774A | Backrest and chair | |
| JP2018143786A | desk | |
| JP2018029995A | Support mechanism | |
| JP2019063314A | desk | |
| JP2019063315A | desk | |
| JP2019050928A | Chair | |
| JP2019037302A | desk | |
| JP2019037301A | desk | |
| JP2017121524A | Leg device | |
| JP2018079086A | Chair | |
| JP2018079085A | Chair | |
| JP2018047137A | Chair and chair structure |