TK

Tetsuya Koide

NI Nikon: 3 patents #1,048 of 2,493Top 45%
IN Inax: 2 patents #29 of 242Top 15%
NC National House Industrial Co.: 2 patents #3 of 12Top 25%
Overall (All Time): #775,413 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12234183 Optical glass, and optical element, cemented lens, optical system, interchangeable lens for camera and optical device using same 2025-02-25
11724959 Optical glass, and optical element, cemented lens, optical system, interchangeable lens for camera and optical device using same 2023-08-15
9527766 Optical glass, optical element, optical system, and optical device Hiroshi Yamamoto 2016-12-27
5168008 Glazed cement product and method for manufacturing thereof Shigeo Yoshida, Satoshi Kitagawa, Shozo Harada, Manaba Hasegawa 1992-12-01
4797319 Glazed cement product and method for manufacturing thereof Shigeo Yoshida, Satoshi Kitagawa, Shozo Harada, Manabu Hasegawa 1989-01-10
4407769 Method of manufacturing cement products having superior mechanical strength Shozo Harada, Kazuo Ito, Takayuki Shirai 1983-10-04