| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Australia | 2 | |
| #3 | Canada | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Taiwan | 2 | |
| #6 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Pharmaceuticals | |
| #2 | Machines | |
| #3 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Medical preparations | |
| #2 | Therapeutic chemical compounds | |
| #3 | Unspecified technologies | |
| #4 | Coating compositions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yamagiwa Seiichi | 12 |
| #2 | Inoue Ranko | 12 |
| #3 | Inoue Takeshi | 12 |
| #4 | Fujita Takuo | 6 |
| #5 | Kudoh Yoshihisa | 6 |
| #6 | Atsuyo Fujita | 1 |
| #7 | Takeo Serizawa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| TWI227670B | A process for the preparation of a calcium antagonist |