SAKAMOTO MASARU has a total of 11 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States and Japan. Its main competitors in its focus markets optics, audio-visual technology and machines are STRATOS INT INC, HARTING ELEKTROOPTISCHE BAUTEILE GMBH & CO KG and SHENZHEN FIBERCAN OPTICAL CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 7 | |
#2 | Japan | 4 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Audio-visual technology | |
#3 | Machines |
# | Technology | |
---|---|---|
#1 | Optical systems | |
#2 | Television | |
#3 | Casings and printed circuits | |
#4 | Cameras | |
#5 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Sakamoto Masaru | 7 |
#2 | Iio Hideo | 4 |
#3 | Nurishi Ryuji | 1 |
Publication | Filing date | Title |
---|---|---|
US2012224270A1 | Zoom lens and image pickup apparatus having the same | |
JPS58157866A | Water paint for three dimensional drawing | |
JPS57179236A | Particular raw material | |
JPS57164782A | Special plastic material |