ICHIKAWA RYOICHI has a total of 11 patent applications. Its first patent ever was published in 2009. It filed its patents most often in United States. Its main competitors in its focus markets basic communication technologies, semiconductors and machines are INTERQUIP ELECTRONICS SHENZHEN CO LTD, FUKUDA JUNYA and MEMS SOLUTION INC.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Semiconductors | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Resonators | |
| #2 | Unspecified technologies | |
| #3 | Semiconductor devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ichikawa Ryoichi | 11 |
| #2 | Amano Yoshiaki | 4 |
| #3 | Umeki Mitoshi | 2 |
| #4 | Kamezawa Kenji | 2 |
| #5 | Mizusawa Shuichi | 1 |