| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 638 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Civil engineering | |
| #3 | Environmental technology | |
| #4 | Machines | |
| #5 | Consumer goods | |
| #6 | Medical technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Shoji Tatsuo | 209 |
| #2 | Sayama Shigeru | 123 |
| #3 | Hikawa Tetsuo | 93 |
| #4 | Okada Noboru | 66 |
| #5 | Nagatani Arihiro | 65 |
| #6 | Shishido Hidenori | 64 |
| #7 | Fujitani Tetsuya | 41 |
| #8 | Hosoya Hideyasu | 41 |
| #9 | Okumura Takao | 37 |
| #10 | Nakamura Norio | 35 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020204236A | Lighting handrail | |
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| JP2019005307A | Assistance device |