| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 9 | |
| #2 | United Kingdom | 8 | |
| #3 | Sweden | 6 | |
| #4 | Brazil | 4 | |
| #5 | United States | 2 | |
| #6 | South Africa | 2 | |
| #7 | Germany | 1 | |
| #8 | Hong Kong | 1 | |
| #9 | Norway | 1 | |
| #10 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Basic materials chemistry | |
| #5 | Surface technology and coating | |
| #6 | Machine tools | |
| #7 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ishizuka H | 16 |
| #2 | Ishizuka Hiroshi | 9 |
| #3 | Tamon S | 1 |
| #4 | Suzuki K | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU1452483A | Production of purified refractory metal from a chloride thereof | |
| HK38381A | Improvements relating to pillows | |
| ZA7600405B | High pressure apparatus | |
| GB1494715A | High pressure apparatus | |
| GB1524621A | Ultrahigh pressure apparatus | |
| GB1488269A | Pillows | |
| US3856477A | Process for refining zirconium tetrachloride containing hafnium tetrachloride |