YAMADA RYUJI has a total of 20 patent applications. Its first patent ever was published in 2008. It filed its patents most often in United States. Its main competitors in its focus markets computer technology, audio-visual technology and electrical machinery and energy are HITACHI INFO & TELECOMM ENG, MIYAZAKI SADAAKI and UCHIDA YOSHIHARU.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 20 |
# | Name | Total Patents |
---|---|---|
#1 | Yamada Ryuji | 20 |
#2 | Mino Kazuaki | 2 |
#3 | Minemura Akira | 1 |
#4 | Kobayashi Takaaki | 1 |
Publication | Filing date | Title |
---|---|---|
US2008192272A1 | Calibration data creating device |