RH

Ritsuo Hirukawa

FU Fuji: 8 patents #50 of 422Top 15%
FC Fuji Machine Mfg. Co.: 4 patents #43 of 245Top 20%
📍 Nishio, JP: #49 of 363 inventorsTop 15%
Overall (All Time): #409,792 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
11331901 Printing apparatus Shoji FUKAKUSA, Yoshimune Yokoi, Naoki Matsuzaki 2022-05-17
11207879 Screen printer Yoji Fujita, Takeshi Kondo, Shoji FUKAKUSA, Yoshimune Yokoi, Naoki Matsuzaki 2021-12-28
11203198 Printing apparatus and accommodation apparatus Takeshi Kondo, Mitsuaki Kato, Atsushi Torii, Jun Iisaka 2021-12-21
11007768 Board work device having support member conveyance section for conveying board support member Yasunori Kamegai, Takeshi Kondo, Mitsuaki Kato, Tsuyoshi Mizukoshi, Atsushi Torii +2 more 2021-05-18
10906295 Printing apparatus and printing system Yoshimune Yokoi, Shoji FUKAKUSA, Naoki Matsuzaki 2021-02-02
10856458 Substrate transfer device Takeshi Kondo, Shoji FUKAKUSA, Mitsuaki Kato, Atsushi Torii, Jun Iisaka 2020-12-01
10589514 Screen printing device having conveyance section for discharging and introducing both the screen mask and board support member Yasunori Kamegai, Takeshi Kondo, Mitsuaki Kato, Tsuyoshi Mizukoshi, Atsushi Torii +2 more 2020-03-17
10399169 Solder supply device and solder supply method Takenobu Kato, Kento Asaoka 2019-09-03
9883597 Solder supply device including a nozzle with a piston and a demarcating member that demarcates an air chamber in which air is supplied to move the piston relative to a solder container Akihiro SENGA, Shoji FUKAKUSA, Yoji Fujita, Yoshimune Yokoi 2018-01-30
9073301 Screen printing machine having a screen position adjusting device Takeshi Kondo, Yoji Fujita 2015-07-07
8191472 Method and apparatus for screen printing Manabu Mizuno 2012-06-05
7836824 Method and apparatus for screen printing Manabu Mizuno 2010-11-23