HITACHI LTD JP has a total of 28 patent applications. Its first patent ever was published in 2004. It filed its patents most often in China. Its main competitors in its focus markets audio-visual technology, digital networks and computer technology are ASANO TOMOYUKI, NONAKA MASAO and YAMAGUCHI TAKAHIRO.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 28 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Digital networks | |
#3 | Computer technology | |
#4 | Electrical machinery and energy | |
#5 | Environmental technology | |
#6 | Transport |
# | Name | Total Patents |
---|---|---|
#1 | Kenji Tsuchiya | 2 |
#2 | Yasuo Notohara | 1 |
#3 | Tomita Naofumi | 1 |
#4 | Higashijima Shigeki | 1 |
#5 | Sadao Tsuruga | 1 |
#6 | Obu Takayuki | 1 |
#7 | Mamoru Kimura | 1 |
#8 | Kiyotaka Imagawa | 1 |
#9 | Shuichi Takahashi | 1 |
#10 | Koishi Takeo | 1 |
Publication | Filing date | Title |
---|---|---|
CN101639803A | Exception handling method and exception handling device for multithread application system |