TOKYO OPTICAL has a total of 802 patent applications. Its first patent ever was published in 1961. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets measurement, medical technology and optics are LEICA INC, INDIGO DIABETES N V and GAMBS PAUL FREDERIC M.
# | Country | Total Patents | |
---|---|---|---|
#1 | Japan | 569 | |
#2 | United States | 153 | |
#3 | EPO (European Patent Office) | 35 | |
#4 | Germany | 25 | |
#5 | France | 9 | |
#6 | United Kingdom | 4 | |
#7 | Switzerland | 2 | |
#8 | Australia | 1 | |
#9 | Canada | 1 | |
#10 | Spain | 1 | |
#11 | Italy | 1 | |
#12 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Measurement | |
#2 | Medical technology | |
#3 | Optics | |
#4 | Machine tools | |
#5 | Basic communication technologies |
# | Technology | |
---|---|---|
#1 | Diagnosis and surgery | |
#2 | Optical systems | |
#3 | Testing of structures | |
#4 | Measuring distances | |
#5 | Special measuring | |
#6 | Measuring length, angles and areas | |
#7 | Radio navigation | |
#8 | Grinding or polishing devices | |
#9 | Code conversion | |
#10 | Spectacles |
# | Name | Total Patents |
---|---|---|
#1 | Tamaki Hiroshi | 60 |
#2 | Nunokawa Kazuo | 49 |
#3 | Nishimura Shinichi | 40 |
#4 | Yokokura Takashi | 37 |
#5 | Takahashi Susumu | 37 |
#6 | Ishihara Taketoshi | 36 |
#7 | Wada Shinji | 35 |
#8 | Kobayashi Katsuhiko | 35 |
#9 | Ohtomo Fumio | 30 |
#10 | Kimura Kazuaki | 28 |
Publication | Filing date | Title |
---|---|---|
JP2019181063A | System for measuring and training vision function | |
JP2015141219A | Spectacle | |
US4996990A | Air-puff tonometer | |
US4818068A | Slit apparatus | |
US5092334A | Noncontact type tonometer | |
US4855875A | Light source device for medical apparatus | |
US4932774A | Illuminating system of ophthalmological instrument | |
US4872460A | Noncontact type tonometer | |
JPS6324106A | Measuring instrument for frame shape | |
JPS6328550A | Method and device for grinding lens | |
JPS63318516A | Light intensity uniforming device | |
JPS63294829A | Retinal camera of laser scanning system | |
JPS63267331A | Non-contact type tonometer | |
JPS63279843A | Operating cutter | |
JPS63281012A | Surveying device | |
JPS63279842A | Operating cutter | |
JPS63279215A | Light source device for medical equipment | |
JPS63279217A | Light source device for medical equipment | |
JPS63279216A | Light source device for medical equipment | |
JPS63279214A | Light source device for medical equipment |