HY

Hajime Yamamoto

HI Hitachi: 3 patents #133 of 2,935Top 5%
KO Kasei Optonix: 1 patents #5 of 29Top 20%
Sumitomo Electric Industries: 1 patents #327 of 1,127Top 30%
Overall (1989): #5,131 of 140,708Top 4%
4
Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4862033 Electroluminescent display apparatus having a multi-color illuminant layer and process for producing the same Masahito Migita, Osam Kanehisa, Masatoshi Shiiki 1989-08-29
4845403 Projection type color picture display system having green picture and blue picture producing CRTs with .gamma. coefficients Yasukazu Morito, Yasuhiko Uehara, Hidetsugu Matsukiya, Shuji Inaho, Takashi Hase +1 more 1989-07-04
4824329 Method and apparatus for controlling liquid metal flow Tadashi Gotou, Masanori Yamakawa, Noboru Nakao, Takashi Ikeda 1989-04-25
4809038 Color electrophotographic apparatus and method Yuji Takashima 1989-02-28