KT

Keiji Tsukahara

Nichia: 4 patents #472 of 1,531Top 35%
Overall (All Time): #1,094,993 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12415898 Porous body Hikari Sasaki, Kei Tsukada, Kazutaka Murayama, Kazuki Soeda, Hironari Fujiki 2025-09-16
11535004 Soundproofing material Kazutaka Murayama, Hikari Sasaki, Yuuma Tomitsuka, Tatsuro Miki, Daisuke Ando 2022-12-27
9593798 Pipe cover, pipe structure and vehicle Takahiro Niwa, Akinao Hiraoka, Yoshifumi Fujita, Masatake Onodera, Daisuke Ando +1 more 2017-03-14
8066146 Insulated container and method of manufacturing the same Toshihiko Kumasaka, Atsushi Omura, Shigeru Nakama, Shu Morikawa 2011-11-29