KUBOTA YOJI has a total of 18 patent applications. Its first patent ever was published in 2011. It filed its patents most often in United States and Japan. Its main competitors in its focus markets optics and semiconductors are OPTICAL LOGIC INC, GARCIA DIAZ NICOLAS and KOSHIN KOGAKU KOGYO KK.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 17 | |
#2 | Japan | 1 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Semiconductors |
# | Technology | |
---|---|---|
#1 | Optical systems | |
#2 | Semiconductor devices |
# | Name | Total Patents |
---|---|---|
#1 | Kubota Yoji | 18 |
#2 | Kubota Kenichi | 14 |
#3 | Hirano Hitoshi | 14 |
#4 | Kurihara Ichiro | 11 |
#5 | Ise Yoshio | 8 |
#6 | Fukuda Sumio | 4 |
#7 | Yonezawa Tomohiro | 2 |
Publication | Filing date | Title |
---|---|---|
JP2020177221A | Far visual point aerial image projection device | |
US2013021677A1 | Zoom lens | |
US2012293871A1 | Zoom lens | |
US2012275033A1 | Zoom lens | |
US2012275037A1 | Imaging lens | |
US2011279911A1 | Imaging lens |