TK

Takashi Kubota

Ricoh Company: 4 patents #92 of 1,584Top 6%
Fujitsu Limited: 1 patents #532 of 1,452Top 40%
Overall (2019): #29,428 of 560,194Top 6%
5
Patents 2019

Issued Patents 2019

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10488636 Projection zoom lens and projector 2019-11-26
10451857 Projection zoom lens 2019-10-22
10444450 Optical module Takayoshi Matsumura, Naoaki Nakamura, Kenji Fukuzono, Norio Kainuma, Takumi Masuyama +2 more 2019-10-15
10241333 Light guide, virtual image display device, and light guide unit Naoki Nakamura, Toshiaki Tokita, Shiori OHSUGI 2019-03-26
10234662 Image display device 2019-03-19