MARUYAMA HIDEKI has a total of 14 patent applications. Its first patent ever was published in 1990. It filed its patents most often in Japan and United States. Its main competitors in its focus markets audio-visual technology and environmental technology are YAKSHTAS AUKSUTIS A, MACENPAT GMBH and JIANXING ELECT SCIENCE & TECH.
# | Country | Total Patents | |
---|---|---|---|
#1 | Japan | 8 | |
#2 | United States | 6 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Environmental technology |
# | Technology | |
---|---|---|
#1 | Special information storage | |
#2 | Climate change mitigation in transportation |
# | Name | Total Patents |
---|---|---|
#1 | Maruyama Hideki | 14 |
#2 | Tanaka Yukinobu | 1 |
#3 | Nakamura Toshiteru | 1 |
Publication | Filing date | Title |
---|---|---|
JP2007131283A | Micro-bubble generator without power | |
JP2003247825A | Horizontal ruler with clipping tool | |
JP2001214315A | Trousers with helping handle | |
JPH1066320A | Outer periphery driving type screw | |
JPH09206404A | Training assisting implement for barbell and dumbbell | |
JPH09206406A | Training assisting implement of machine for strengthening dorsal muscle group | |
JPH08257164A | Physical exercise assistant utensil | |
JPH03276860A | Compound flying air cushion vehicle |