| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Mechanical elements | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Electrography | |
| #2 | Clutches and brakes | |
| #3 | Bolts for doors or windows | |
| #4 | Locks | |
| #5 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nieda Hiroaki | 12 |
| #2 | Arasawa Shinichi | 2 |
| #3 | Takano Kuniyori | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2019286011A1 | Powder container having contact portion to contact a restriction member | |
| US2018112762A1 | Cam device, fixing device, transfer device, and image forming apparatus |