NTN K K has a total of 15 patent applications. Its first patent ever was published in 1990. It filed its patents most often in China and Republic of Korea. Its main competitors in its focus markets mechanical elements, machines and transport are BANTAM BEARINGS CORP, HOFFMANN ERNST GUSTAV and LAYCOCK ARTHUR M.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 13 | |
#2 | Republic of Korea | 2 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Machines | |
#3 | Transport | |
#4 | Electrical machinery and energy | |
#5 | Machine tools |
# | Name | Total Patents |
---|---|---|
#1 | Isao Komori | 2 |
#2 | Kimihiko Bitou | 2 |
#3 | Hirasawa Yoshimitsu | 1 |
#4 | Yoshihisa Sone Keisuke Hozumi | 1 |
#5 | Tadahisa Suzumoto | 1 |
#6 | Itoo Yoshinori | 1 |
#7 | Oka Ryutaro | 1 |
#8 | Nobuyoshi Yamashita | 1 |
#9 | Keneko T | 1 |
#10 | Chiya Sakakuchi | 1 |
Publication | Filing date | Title |
---|---|---|
CN1419057A | Fluid bearing | |
CN1141899A | Sintered ceramic material and disk valve assembly |