RT

Ryuzo Tanaka

CC Citizen Watch Co.: 3 patents #353 of 1,225Top 30%
MM Matsuura Machinery: 3 patents #13 of 59Top 25%
CC Cosmo Oil Co.: 1 patents #111 of 229Top 50%
EN Eneos: 1 patents #95 of 206Top 50%
IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
📍 Nishitokyo, JP: #42 of 277 inventorsTop 20%
Overall (All Time): #624,745 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11390021 Method for producing three-dimensional shaped product, and three-dimensional shaped product obtained by the method Koichi Amaya, Midorikawa Tetsushi, Seiichi Tomita 2022-07-19
11275053 Method and program for approximately identifying molecular structure of multicomponent mixture Teruo Suzuki, Keita Katano, Shogo Teratani 2022-03-15
10562111 Cutting tool Kouichi Amaya, Yoshiaki Kano, Yasunori Takezawa, Tetsuya Igarashi 2020-02-18
9840033 Mold for resin injection molding Kouichi Amaya, Yukinori Urushizaki 2017-12-12
5735143 Diet earring of tragus engagement type 1998-04-07
4326281 Mounting structure of plastic glass in watch case Hisao Ishigaki 1982-04-20
4207735 Dial and movement fixing structure Hisao Ishigaki 1980-06-17
4186552 Wristwatch case Hisao Ishigaki, Koichi Nakajima 1980-02-05