KAWASHIMA HIROFUMI has a total of 11 patent applications. Its first patent ever was published in 2006. It filed its patents most often in United States. Its main competitors in its focus markets basic communication technologies, machines and audio-visual technology are PIEDEK TECHNICAL LAB, PIEDEKKU GIJUTSU KENKYUSHO KK and JAMES KNIGHTS COMPANY.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Machines | |
| #3 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Resonators | |
| #3 | Loudspeakers and microphones | |
| #4 | Generation of oscillations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kawashima Hirofumi | 11 |