TM

Tokuji Maruyama

KS Kobe Steel: 4 patents #205 of 2,031Top 15%
KS Kobe Steel: 4 patents #359 of 1,773Top 25%
SC Shinko Electric Industries Co.: 1 patents #134 of 267Top 55%
Overall (All Time): #627,532 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11511365 Welding device and welding method Naoki Kawabe, Minoru Miyata, Kei Yamazaki, Reiichi SUZUKI 2022-11-29
11484962 Welding torch Naoki MUKAI, Reiichi SUZUKI 2022-11-01
11203080 Welding method using special torch Naoki MUKAI, Reiichi SUZUKI 2021-12-21
RE33330 Output control of short circuit welding power source Takaaki Ogasawara, Masaharu Sato, Yukio Hida, Takashi Saito 1990-09-11
4546234 Output control of short circuit welding power source Takaaki Ogasawara, Masaharu Sato, Yukio Hida, Takashi Saito 1985-10-08
4544826 Method and device for controlling welding power supply to avoid spattering of the weld material Sadao Nakanishi, Yoshihiro Nakajima, Hitoshi Kawano, Akihiko Ihochi, Takaaki Ogasawara 1985-10-01
4503316 DC Welding power supply system Kazuo Murase, Toshihiko Watanabe, Naoki Takeuchi 1985-03-05
4292495 Welding torch weaving device Takashi Saito, Katuhiko Otake 1981-09-29