KH

Katsushi Hamakubo

Sumitomo Electric Industries: 5 patents #22 of 544Top 5%
HT Hoya Lens Thailand: 1 patents #2 of 21Top 10%
Overall (2023): #21,618 of 537,848Top 5%
6
Patents 2023

Issued Patents 2023

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11820704 Resin composition, secondary coating material for optical fiber, optical fiber, and method for producing optical fiber Chiaki TOKUDA, Noriaki IWAGUCHI, Kazuya TOKUDA 2023-11-21
11814493 Coating composition, eyeglass lens, and method for manufacturing eyeglass Takako ISHIZAKI, Natsumi TASAKI 2023-11-14
11629269 Resin composition, secondary coating material for optical fiber, and optical fiber Yuya HOMMA 2023-04-18
11603331 Optical fiber 2023-03-14
11579358 Optical fiber Chiaki TOKUDA, Noriaki IWAGUCHI, Tatsuya Konishi 2023-02-14
11573367 Resin composition and optical fiber Yuya HOMMA 2023-02-07