| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 11 | |
| #2 | United States | 2 | |
| #3 | Canada | 1 | |
| #4 | Switzerland | 1 | |
| #5 | France | 1 | |
| #6 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Measurement | |
| #3 | Machines | |
| #4 | Environmental technology | |
| #5 | Electrical machinery and energy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kawamura Koichi | 15 |
| #2 | Kawamura Yoshiko | 5 |
| #3 | Kawamura Hiromi | 1 |
| #4 | Suzuki Makoto | 1 |
| #5 | Mochimaru Masayoshi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2001128886A | Night soil treating device and night soil treating equipment | |
| JPH03135466A | Fountain device | |
| JPH01284359A | Cross fountain device | |
| JPH01215370A | Fountain device with moving nozzle | |
| JPS6490057A | Device for reproducing magnetic tape for musical fountain control | |
| JPS63275364A | Maze spring | |
| JPS63229162A | Water jet nozzle apparatus |