RY

Ryuji Yamaguchi

Mitsubishi Electric: 6 patents #4,940 of 25,717Top 20%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
JP Jp Steel Plantech: 3 patents #2 of 40Top 5%
NC Nippon Kokan Co.: 2 patents #138 of 735Top 20%
RH Rheo-Technology: 2 patents #5 of 25Top 20%
NI Ngk Insulators: 1 patents #1,271 of 2,083Top 65%
DE Denso: 1 patents #6,940 of 11,792Top 60%
AC Ajinomoto Co.: 1 patents #1,164 of 2,190Top 55%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Miyoshi, JP: #152 of 2,464 inventorsTop 7%
Overall (All Time): #245,759 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12414612 Buckle device 2025-09-16
12384090 Extrusion molding die and extrusion molding machine Kosuke Iwata, Yuichi TAJIMA 2025-08-12
12275369 Buckle device Yoshio Mizuno 2025-04-15
12024116 Buckle device Yoshio Mizuno 2024-07-02
11987205 Buckle device Yoshio Mizuno 2024-05-21
11819092 Buckle device Yoshio Mizuno, Yutaka Hirako 2023-11-21
11454568 Gas component measuring device Toshiaki Sugasawa, Takato Matsuo, Mitsuhito Fujimoto 2022-09-27
9783156 Webbing guide Mikio Watanabe 2017-10-10
7656423 Imaging device and visual recognition support system employing imaging device Yasuo Hagisato, Shinya Kawamata, Hidetoshi Mimura, Tsuyoshi Kumasaka 2010-02-02
7045759 Night vision system and control method thereof Yoshimasa Hara, Shotaro Eguchi, Yasuo Hagisato, Kunihiko Toyofuku, Shinya Kawamata 2006-05-16
6825469 Vehicle visibility assist device and method Yasuo Hagisato, Kunihiko Toyofuku, Shinya Kawamata 2004-11-30
6693948 Apparatus for arc-melting cold iron source and method thereof Hideaki Mizukami, Takashi Nakayama, Teruo Tatefuku, Norio Ao, Toshimichi Maki +2 more 2004-02-17
6597722 Apparatus for arc-melting cold iron source and method thereof Hideaki Mizukami, Norio Ao, Toshimichi Maki 2003-07-22
6015696 Mycobacterial secretory expression vectors and transformants Takeshi Yamada, Kazuhiro Matsuo, Akihiro Yamazaki 2000-01-18
5144998 Process for the production of semi-solidified metal composition Masazumi Hirai, Katsuhiro Takebayashi, Yasuo Fujikawa 1992-09-08
5110547 Process and apparatus for the production of semi-solidified metal composition Manabu Kiuchi, Masazumi Hirai, Yasuo Fujikawa, Akihiko Nanba, Masato NODA 1992-05-05
4674101 Arc-heating type extra-furnace refining apparatus Kazuhiko Matsuo, Teruyuki Hasegawa, Seigo Kuwano, Akio Shiwata, Yoneichi Hamada +5 more 1987-06-16
4650517 Method of heating molten steel by arc process Teruyuki Hasegawa, Seigo Kuwano, Kazuhiko Matsuo 1987-03-17