OYAIZU TSUYOSHI has a total of 12 patent applications. Its first patent ever was published in 2007. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, semiconductors and audio-visual technology are LEDENGIN INC, CHANGGUI LIU and NEC LIGHTING LTD.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Semiconductors | |
| #3 | Audio-visual technology | |
| #4 | Optics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Oyaizu Tsuyoshi | 12 |
| #2 | Kawashima Seiko | 5 |
| #3 | Takei Haruki | 5 |
| #4 | Okudo Yukio | 3 |
| #5 | Saito Akiko | 2 |
| #6 | Ebisawa Hisafumi | 2 |
| #7 | Matsui Naoko | 2 |