KF

Katsuhiro Fujita

Mitsubishi Electric: 18 patents #1,216 of 25,717Top 5%
KC Kuraray Co.: 10 patents #123 of 1,827Top 7%
MS Mitsubishi Heavy Industries Thermal Systems: 6 patents #24 of 149Top 20%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
AI Akihisa Inoue: 1 patents #4 of 24Top 20%
UL Ulvac: 1 patents #339 of 680Top 50%
AC Alps Electric Co.: 1 patents #1,191 of 2,177Top 55%
📍 Niigata, JP: #5 of 16 inventorsTop 35%
Overall (All Time): #84,562 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
12270954 Plastic scintillating fiber and its manufacturing method Osamu Shinji 2025-04-08
12270956 Plastic scintillating fiber and its manufacturing method Toru Hashizume 2025-04-08
12270955 Plastic scintillating fiber and its manufacturing method Toru Hashizume 2025-04-08
12105320 Plastic wavelength shifting fiber Masashi AKARI, Ryuichi IWAKAWA 2024-10-01
11939977 Scroll compressor including fixed and orbiting scroll having stepped portions and a surface hardened treatment Hajime Sato, Makoto Takeuchi, Genta Yoshikawa, Kazuhide Watanabe, Takayuki Hagita +1 more 2024-03-26
11415130 Scroll compressor Takayuki Kuwahara 2022-08-16
11402571 Weakly-penetrating radiation detection plastic scintillating fiber Masashi AKARI 2022-08-02
11092155 Scroll compressor including fixed and orbiting scrolls having different heights and surface hardenings Hajime Sato, Makoto Takeuchi, Genta Yoshikawa, Kazuhide Watanabe, Takayuki Hagita +1 more 2021-08-17
10844719 Scroll fluid machine including a pair of fixed scrolls and an orbiting scroll Makoto Takeuchi, Genta Yoshikawa, Hajime Sato, Takuma YAMASHITA, Takayuki Hagita +2 more 2020-11-24
10766120 Method and device for manufacturing compressor scrolls, compressor scroll, and scroll compressor Takayuki Hagita, Takaharu Maeguchi, Masafumi Hamasaki, Yukio Michishita, Yukihiro Kawai +5 more 2020-09-08
10677356 Sealing structure for airtight container and vehicle refrigerant compressor provided with said structure Masahiro Kato, Tomohisa Moro, Hideki Suetake 2020-06-09
10634140 Scroll compressor with step Takayuki Kuwahara, Takayuki Hagita, Makoto Takeuchi, Hajime Sato, Genta Yoshikawa 2020-04-28
10568607 Device, method of manufacturing the device, and method of manufacturing array type of ultrasound probe Taichi Suzuki, Koh Fuwa, Ken MAEHIRA, Yasutomo Ohashi, Yoichi Haga +1 more 2020-02-25
10355155 Method of producing glass base material laminate, method of producing optical element, optical element, and concentrating photovoltaic device Koji Abe, Shinji Hiramatsu 2019-07-16
9553227 Optical element and concentrating photovoltaic device Koji Abe, Shinji Hiramatsu 2017-01-24
8714950 Scroll compressor having tip seals of different lengths having different thickness or widths Tomohisa Moro, Norio Hioki, Koji Terasaki, Koryo Shibahara, Tetsuzo Ukai +1 more 2014-05-06
8403655 Scroll compressor having an allowable angle of rotation Takayuki Kuwahara, Tetsuzou Ukai, Kazuhide Watanabe, Tomohisa Moro 2013-03-26
8313317 Scroll fluid machine with cold forged eccentric crankshaft Hiroshi Yamazaki, Makoto Takeuchi, Tetsuzou Ukai, Kazuhide Watanabe, Tomohisa Moro +2 more 2012-11-20
8308461 Scroll compressor with improved rotation prevention mechanism Takayuki Kuwahara, Tetsuzou Ukai, Takahide Ito, Makoto Takeuchi, Norio Hioki +2 more 2012-11-13
8157553 Scroll compressor having a shifted gravity center Hiroshi Yamazaki, Makoto Takeuchi, Takahide Ito, Takamitsu Himeno, Tetsuzou Ukai +2 more 2012-04-17
8152501 Scroll compressor for preventing performance deterioration and variation due to gas leakage Tomohisa Moro, Hirohumi Hirata, Masahiro Ohta, Kazuhide Watanabe, Takayuki Kuwahara +2 more 2012-04-10
8038421 Scroll compressor having an allowable angle of rotation Takayuki Kuwahara, Tetsuzou Ukai, Kazuhide Watanabe, Tomohisa Moro 2011-10-18
7905716 Scroll compressor Makoto Takeuchi, Takahide Ito, Hiroshi Yamazaki, Tetsuzou Ukai, Kazuhide Watanabe +2 more 2011-03-15
7658600 Scroll compressor with thrustplate peeling prevention Kazuhide Watanabe, Takayuki Kuwahara, Tomohisa Moro, Makoto Takeuchi, Hiroshi Yamazaki +1 more 2010-02-09
7604465 Fluid machine and scroll compressor having a crankshaft with a large diameter shaft section Tomohisa Moro, Takayuki Kuwahara, Kazuhide Watanabe, Tetsuzou Ukai, Norio Hioki +3 more 2009-10-20