YK

Yuki Kawaguchi

Sumitomo Electric Industries: 26 patents #641 of 21,551Top 3%
OL Olympus: 12 patents #348 of 3,097Top 15%
TK Toshiba Tec Kabushiki Kaisha: 10 patents #307 of 1,664Top 20%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
SO Sony: 5 patents #7,785 of 25,231Top 35%
AC Aisin Aw Co.: 2 patents #784 of 2,011Top 40%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
OS Olympus Medical Systems: 2 patents #325 of 833Top 40%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
FH Fujifilm Healthcare: 1 patents #79 of 164Top 50%
HC Hitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
AI Aisin: 1 patents #310 of 1,000Top 35%
Overall (All Time): #30,558 of 4,157,543Top 1%
68
Patents All Time

Issued Patents All Time

Showing 1–25 of 68 patents

Patent #TitleCo-InventorsDate
12398062 Method for producing optical fiber base material, and optical fiber base material Hirotaka Sakuma 2025-08-26
12313491 Optical fiber bending loss measuring method Chonde Tei, Tomoaki Hatanaka, Tomoko Terauchi 2025-05-27
12313490 Bending-imparting device for measuring bending loss, and bending test device Chonde Tei, Tomoko Terauchi, Tomoaki Hatanaka 2025-05-27
12277563 Self-service commodity sales data processing device and method thereof Shinsuke Yajima, Hidehiro Naito, Masaki Ito, Takahiro Saitou, Atsushi Miyashima +2 more 2025-04-15
12216309 Optical fiber Hirotaka Sakuma, Yoshiaki Tamura, Masato Suzuki 2025-02-04
12164145 Optical fiber and method for producing optical fiber Takemi Hasegawa 2024-12-10
12131369 Merchandise registration device and method Hidehiro Naito, Atsushi Miyashima, Toshihiro Kaneko, Taiki Tanihira, Shinsuke Yajima +2 more 2024-10-29
12062030 Merchandise data registration device and method Hidehiro Naito, Atsushi Miyashima, Toshihiro Kaneko, Taiki Tanihira, Shinsuke Yajima +2 more 2024-08-13
11995629 Merchandise registration apparatus and method Shinsuke Yajima, Hidehiro Naito, Masaki Ito, Takahiro Saitou, Atsushi Miyashima +2 more 2024-05-28
11984816 Power conversion device and press apparatus Mizuki NAKAHARA, Hirooki TOKOI, Kimihisa Furukawa 2024-05-14
11971571 Optical fiber Hirotaka Sakuma, Masato Suzuki 2024-04-30
11913513 Vibration damping material and method of producing vibration damping material Naoki SOGAWA, Ichiro Fujimoto 2024-02-27
11853992 Settlement device Hidehiro Naito, Shinsuke Yajima, Daisuke HATTORI, Masaki Ito, Takahiro Saitou +1 more 2023-12-26
11841529 Optical fiber and optical cable Takemi Hasegawa, Masato Suzuki 2023-12-12
11774672 Optical fiber Takemi Hasegawa 2023-10-03
11754466 Mode-dependent loss measurement device and mode-dependent loss measuring method Takemi Hasegawa, Tetsuya Hayashi 2023-09-12
11740404 Optical fiber Hirotaka Sakuma, Yoshiaki Tamura, Masato Suzuki 2023-08-29
11714226 Optical fiber Yoshiaki Tamura, Hirotaka Sakuma, Masato Suzuki 2023-08-01
11715083 Merchandise data registration device and method Hidehiro Naito, Atsushi Miyashima, Toshihiro Kaneko, Taiki Tanihira, Shinsuke Yajima +2 more 2023-08-01
11707316 Treatment instrument Kazuhiro Tanaka, Yusuke Takei, Ojiro KITAMURA, Akinori Kobayashi, Tomoyuki TAKASHINO +1 more 2023-07-25
11666373 Treatment system and energy treatment tool Yoshitaka Honda 2023-06-06
11617613 Medical instrument and a treatment instrument, including a bendable end effector Akira Miyazaki, Kazuhiro Tanaka 2023-04-04
11553957 Surgical treatment instrument Ojiro KITAMURA, Yusuke Takei 2023-01-17
11507765 Reading device, commodity data registration system, and program Hidehiro Naito, Shinsuke Yajima, Daisuke HATTORI, Masaki Ito, Takahiro Saitou +1 more 2022-11-22
11503177 Imaging device, imaging method Koji Ozaki, Masaya Kinoshita, Akira Iwase 2022-11-15