HOYA CO LTD has a total of 29 patent applications. Its first patent ever was published in 2000. It filed its patents most often in China and Taiwan. Its main competitors in its focus markets optics, machines and materials and metallurgy are HOYA CORP, ZEISS STIFTUNG and BIO RAD MICROMEASUREMENTS LTD.
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Machines | |
#3 | Materials and metallurgy | |
#4 | Audio-visual technology | |
#5 | Semiconductors | |
#6 | Measurement | |
#7 | Environmental technology |
# | Name | Total Patents |
---|---|---|
#1 | Kobayashi Shuhei | 2 |
#2 | Kaminaka Kofu | 1 |
#3 | Misa Mishina | 1 |
#4 | Ichiya Uchida | 1 |
#5 | Tadayuki Tohon | 1 |
#6 | Yoko Sakai | 1 |
#7 | Kaneko Masauji | 1 |
#8 | Shinhiro Maeda | 1 |
#9 | Koichi Yamanaka Sakaji Sato | 1 |
#10 | Junichi Denchu | 1 |
Publication | Filing date | Title |
---|---|---|
CN109956666A | Optical glass and optical element | |
CN102730983A | Manufacture method for covering glass for portable device | |
CN102308245A | Dyed plastic lens fabrication method | |
CN1600722A | Cast die pressed shaper and mfg.method of opticle element | |
CN1618745A | Glass forming body, blank, base plate and optical element mfg. method | |
CN1936703A | Grey-regulation mask and producing method | |
TW508440B | Probe structure and manufacturing method thereof |