YS

Yukio Sekine

KC Kantatsu Co.: 32 patents #8 of 32Top 25%
TC Tokyo Visionary Optics Co.: 25 patents #3 of 21Top 15%
NC Nkk Co.: 2 patents #309 of 1,173Top 30%
OL Optical Logic: 1 patents #10 of 10Top 100%
YK Yoshida Kogyo K.K.: 1 patents #252 of 468Top 55%
Overall (All Time): #36,627 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 51–62 of 62 patents

Patent #TitleCo-InventorsDate
9341857 Imaging lens comprising a diffractive optical surface Hisanori Suzuki 2016-05-17
9291798 Imaging lens 2016-03-22
9110271 Imaging lens 2015-08-18
8976464 Imaging lens 2015-03-10
8941930 Imaging lens and imaging device Yoji Kubota, Kenichi Kubota, Hitoshi Hirano, Ichiro Kurihara 2015-01-27
8941772 Imaging lens Hisanori Suzuki 2015-01-27
8804254 Image pickup lens Tomohiro Yonezawa 2014-08-12
6140601 Laser-welded steel pipe and method therefor Moriaki Ono, Tsuyoshi Shiozaki, Masanori Ohmura, Yutaka Nagahama, Akio Sato +1 more 2000-10-31
5961748 Laser-welded steel pipe Moriaki Ono, Tsuyoshi Shiozaki, Masanori Ohmura, Yutaka Nagahama, Akio Sato +1 more 1999-10-05
5224479 ECG diagnostic pad 1993-07-06
4844090 Pencil type heart potential waveform measuring device 1989-07-04
4526567 Apparatus for manufacturing paper stringer tape for slide fastener Kazuo Yokoe 1985-07-02