ISHII TSUTOMU has a total of 12 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United States and Japan. Its main competitors in its focus markets semiconductors, basic materials chemistry and environmental technology are FORCE4 CORP, GRACEL CO LTD and SUZHOU QINGGUANG MATERIAL TECH CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Japan | 2 |
# | Industry | |
---|---|---|
#1 | Semiconductors | |
#2 | Basic materials chemistry | |
#3 | Environmental technology | |
#4 | Electrical machinery and energy | |
#5 | Optics | |
#6 | Audio-visual technology | |
#7 | Packaging and shipping |
# | Name | Total Patents |
---|---|---|
#1 | Ishii Tsutomu | 12 |
#2 | Shirakawa Yasuhiro | 7 |
#3 | Takeuchi Hajime | 6 |
#4 | Ooya Yasumasa | 6 |
#5 | Sakai Ryo | 6 |
#6 | Ito Yumi | 5 |
#7 | Nakagawa Katsutoshi | 5 |
#8 | Toyoshima Masaki | 2 |
#9 | Saito Yasunori | 2 |
#10 | Sato Masahiro | 2 |
Publication | Filing date | Title |
---|---|---|
US2015133282A1 | Sheet folding device | |
US2011031523A1 | White light emitting device, backlight, liquid crystal display device, and illuminating device | |
US2011006334A1 | White LED lamp, backlight, light emitting device, display device and illumination device | |
JPS63166136A | Splicing of filament | |
JPS51151170A | Falling ball viscometer |