KY

Koji Yamanaka

OR Organo: 32 patents #1 of 167Top 1%
Mitsubishi Electric: 32 patents #398 of 25,717Top 2%
NE Nec: 5 patents #2,830 of 14,502Top 20%
MC M. Watanabe & Co.: 4 patents #1 of 18Top 6%
DE Denso: 4 patents #3,129 of 11,792Top 30%
FC Furukawa Electric Co.: 3 patents #622 of 2,370Top 30%
YC Yoshino Kogyosho Co.: 2 patents #148 of 361Top 45%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HK Hamamatsu Photonics K.K.: 1 patents #936 of 1,436Top 70%
FS Furukawa Automotive Systems: 1 patents #140 of 269Top 55%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
FI Frontec Incorporated: 1 patents #20 of 40Top 50%
MA Makita: 1 patents #490 of 770Top 65%
📍 Anjo, JP: #12 of 1,609 inventorsTop 1%
Overall (All Time): #24,900 of 4,157,543Top 1%
76
Patents All Time

Issued Patents All Time

Showing 1–25 of 76 patents

Patent #TitleCo-InventorsDate
12409533 Impact tool Makoto CHIKARAISHI, Koji Tsukamoto 2025-09-09
12105042 Method and system for measuring conductivity of decationized water Chika Kemmochi 2024-10-01
11901174 Substrate treatment method and substrate treatment equipment Daisaku Yano, Yukinari Yamashita, Masami Murayama 2024-02-13
11595012 Distributed amplifier Jun KAMIOKA, Masatake Hangai 2023-02-28
11491517 Method and system for cleaning copper-exposed substrate Daisaku Yano, Masami Murayama, Yukinari Yamashita 2022-11-08
11381206 Power amplifier and filter Takumi SUGITANI, Masatake Hangai 2022-07-05
11349515 Limiter circuit Takuma TORII, Masatake Hangai, Kazuhiro Nishida 2022-05-31
11336233 Amplifier Shuichi SAKATA, Shintaro Shinjo, Keigo NAKATANI 2022-05-17
11276626 Semiconductor device Yutaro Yamaguchi, Masatake Hangai, Shintaro Shinjo 2022-03-15
11229887 Ozone water supply method and ozone water supply device Yoshifumi HAYASHI, Yukinari Yamashita 2022-01-25
11228173 Limiter circuit Takuma TORII, Masatake Hangai, Kazuhiro Nishida 2022-01-18
11133781 Doherty amplifier and Doherty amplifier circuit Keigo NAKATANI, Yuji KOMATSUZAKI, Shuichi SAKATA, Shintaro Shinjo 2021-09-28
11004674 Substrate treatment method and substrate treatment equipment Daisaku Yano, Yukinari Yamashita, Masami Murayama 2021-05-11
10911003 Doherty amplifier Keigo NAKATANI, Shintaro Shinjo 2021-02-02
10857512 Diluted solution production method and diluted solution production apparatus Yoshifumi HAYASHI, Yukinari Yamashita, Daisaku Yano 2020-12-08
10797141 Semiconductor device Yutaro Yamaguchi, Masatake Hangai 2020-10-06
10777550 Semiconductor device Yutaro Yamaguchi, Masatake Hangai 2020-09-15
10763797 High-frequency power amplifier Takaaki Yoshioka, Masatake Hangai 2020-09-01
10748860 Amplifier Keigo NAKATANI, Yuji KOMATSUZAKI, Shintaro Shinjo, Shohei IMAI 2020-08-18
10741700 Semiconductor device Yutaro Yamaguchi, Masatake Hangai 2020-08-11
10647648 Method for purifying organic solvent Hitoshi Takada, Akira Nakamura, Masami Imamura 2020-05-12
10574197 Multi-stage high frequency amplifier Takaaki Yoshioka, Shintaro Shinjo 2020-02-25
10559944 Spark plug for internal combustion engine Yuji KAJI 2020-02-11
10523158 Load modulation amplifier Shintaro Shinjo, Yuji KOMATSUZAKI, Keigo NAKATANI 2019-12-31
10511267 Power amplifier Takuma TORII, Masaki Kono, Junichi Udomoto 2019-12-17