| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 11 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Measurement | |
| #3 | Machines | |
| #4 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Advertising | |
| #2 | Mechanically-driven clocks | |
| #3 | Spraying devices | |
| #4 | Indexing scheme for uses of lighting devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kawamura Kouichi | 11 |
| #2 | Kawamura Yoshiko | 5 |
| Publication | Filing date | Title |
|---|---|---|
| JPS60218702A | Fall illuminator | |
| JPS6061071A | Intermittent fountain device | |
| JPS6061069A | Water mass fountain device | |
| JPS6061070A | Moving fountain device | |
| JPS58119572A | Fountain displaying position of elevator | |
| JPS559916A | System of removing snow from rail | |
| JPS52123772A | Vertical degital fountain clock apparatus | |
| JPS52104898A | Jit indicator | |
| JPS5275999A | Advertising indicator | |
| JPS5270792A | Advertising character indicator | |
| JPS5260592A | Liquid display unit |