ITOH OPTICAL IND has a total of 36 patent applications. It decreased the IP activity by 75.0%. Its first patent ever was published in 1991. It filed its patents most often in WIPO (World Intellectual Property Organization), EPO (European Patent Office) and United States. Its main competitors in its focus markets optics, machines and macromolecular chemistry and polymers are OTANI NOBORU, SHENZHEN GUANGKE HOLOGRAPHIC TECH CO LTD and NIKON-ESSILOR CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | WIPO (World Intellectual Property Organization) | 15 | |
#2 | EPO (European Patent Office) | 7 | |
#3 | United States | 6 | |
#4 | Australia | 3 | |
#5 | Canada | 3 | |
#6 | China | 2 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Machines | |
#3 | Macromolecular chemistry and polymers | |
#4 | Basic materials chemistry | |
#5 | Textiles and paper |
# | Name | Total Patents |
---|---|---|
#1 | Shimizu Takehiro | 12 |
#2 | Torii Tadashi | 11 |
#3 | Kato Hirohisa | 11 |
#4 | Uchida Naoki | 10 |
#5 | Murai Sachio | 9 |
#6 | Oda Hirofumi | 6 |
#7 | Kubo Tomonori | 6 |
#8 | Ogino Keisuke | 5 |
#9 | Makino Kazuo | 5 |
#10 | Yamada Satoshi | 5 |
Publication | Filing date | Title |
---|---|---|
US2020165486A1 | Hard coating composition | |
WO2018124063A1 | Optical element and production method therefor | |
WO2018037621A1 | Light-modulating optical element | |
WO2018008179A1 | Eyeglass material | |
WO2018123077A1 | Optical element | |
CN109196407A | The design method and vision correction eyeglass of vision correction eyeglass | |
WO2018078770A1 | Photochromic member and method of manufacture therefor | |
WO2017125999A1 | Optical component | |
EP2829583A1 | Hard coating composition | |
US2015024212A1 | Hard coating composition | |
WO2012157073A1 | Surface-treated mold and mold surface treatment method | |
EP2711741A1 | Optical element and manufacturing method thereof | |
EP1273639A1 | Optical element | |
AU653825B2 | Coating composition for optical plastic moldings | |
WO9207888A1 | Organic glass for optical part |