| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 21 | |
| #2 | Japan | 2 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Environmental technology | |
| #3 | Electrical machinery and energy | |
| #4 | Transport | |
| #5 | Audio-visual technology | |
| #6 | IT methods for management | |
| #7 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Matsumoto Junichi | 23 |
| #2 | Hosokawa Hiroshi | 5 |
| #3 | Ozawa Yuzuru | 5 |
| #4 | Kai Tsukuru | 5 |
| #5 | Ohmura Tomoya | 5 |
| #6 | Hayakawa Tadashi | 5 |
| #7 | Komatsu Makoto | 5 |
| #8 | Mikuniya Kentaro | 4 |
| #9 | Kikuchi Hiroshi | 3 |
| #10 | Takami Nobuo | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2020033751A1 | Powder supply device and image forming apparatus incorporating same | |
| US2012114349A1 | Developing device and image forming apparatus | |
| JP2006050511A | Interfering electromagnetic wave protecting circuit | |
| JPS62260405A | Electromagentic wave reflecting member |