OOYABU YASUNARI has a total of 18 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 semiconductors, audio-visual technology and machines are SUMITOMO METAL SMI ELECTRONICS, SUMITOMO METAL CERAMICS INC and SUMITOMO KINZOKU CERAMICS KK.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ooyabu Yasunari | 18 |
| #2 | Ito Hisataka | 12 |
| #3 | Nakamura Toshitaka | 6 |
| #4 | Fujii Hironaka | 6 |
| #5 | Naito Toshiki | 4 |
| #6 | Sato Satoshi | 4 |
| #7 | Tsukahara Daisuke | 2 |
| #8 | Shinbori Yuki | 2 |
| #9 | Ishii Jun | 2 |
| #10 | Nishioka Tsutomu | 2 |