| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 15 | |
| #2 | Canada | 2 | |
| #3 | France | 2 | |
| #4 | Italy | 2 | |
| #5 | Germany | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Packaging and shipping | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Spraying devices | |
| #2 | Transport or storage devices | |
| #3 | Finishing work on buildings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Serizawa Nobuo | 20 |
| Publication | Filing date | Title |
|---|---|---|
| JPS6438322A | Rotary valve device | |
| JPS62269820A | Rotary valve | |
| JPS61207763A | Material feeder | |
| DE3132513A1 | DEVICE FOR KEEPING AND DELIVERING MATERIALS TO BE PROCESSED BY BLOWING OR SPRAYING | |
| JPS57201559A | Spraying and blowing device for fiber material or the like | |
| JPS5742433A | Fixed quantity feeder | |
| JPS5742432A | Fixed quantity feeder | |
| JPS571128A | Constant quantity feed equipment | |
| JPS5612233A | Constant quantity feeder | |
| JPS54155237A | Constant quantity feeder | |
| JPS54144659A | Rotary valve gear | |
| JPS54143908A | Constant feed system for spraying material | |
| JPS54144732A | Sprayer for construction | |
| JPS53138173A | Apparatus for transporting constant volume | |
| JPS53137528A | Constant feeding device | |
| JPS53138168A | Roll type fixed quantity feeder |