TK

Takayuki Kuwahara

Mitsubishi Electric: 9 patents #3,275 of 25,717Top 15%
MS Mitsubishi Heavy Industries Thermal Systems: 8 patents #17 of 149Top 15%
SE Seiko Epson: 5 patents #2,973 of 7,774Top 40%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
TS Toshiba Medical Systems: 2 patents #467 of 1,088Top 45%
Canon: 2 patents #12,681 of 19,416Top 70%
NC Nihon Dempa Kogyo Co.: 1 patents #180 of 296Top 65%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #116,489 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
12410796 Scroll compressor Ryota Tanahashi, Goshi Iketaka, Akinori Yoshioka 2025-09-09
12385484 Compressor Akinori Yoshioka, Goshi Iketaka, Makoto Takeuchi 2025-08-12
11939977 Scroll compressor including fixed and orbiting scroll having stepped portions and a surface hardened treatment Hajime Sato, Makoto Takeuchi, Genta Yoshikawa, Kazuhide Watanabe, Katsuhiro Fujita +1 more 2024-03-26
11415130 Scroll compressor Katsuhiro Fujita 2022-08-16
11266377 Support apparatus and support method Satoru Ohishi 2022-03-08
11092155 Scroll compressor including fixed and orbiting scrolls having different heights and surface hardenings Hajime Sato, Makoto Takeuchi, Genta Yoshikawa, Kazuhide Watanabe, Katsuhiro Fujita +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
10659005 At-cut crystal element, crystal resonator and crystal unit Kenji Shimao, Hirokazu Iwata 2020-05-19
10634140 Scroll compressor with step Katsuhiro Fujita, Takayuki Hagita, Makoto Takeuchi, Hajime Sato, Genta Yoshikawa 2020-04-28
10590769 Scroll fluid machine Makoto Takeuchi, Ei Onogawa 2020-03-17
10507338 Particle beam radiotherapy system Satoru Ohishi 2019-12-17
9732753 Scroll compressor with inclined surfaces on the stepped portions Hirofumi Hirata, Hiroshi Yamazaki 2017-08-15
9366253 Scroll compressor and processing method of scroll including a projection on a tip seal and a hole in a tip seal groove Hirofumi Hirata 2016-06-14
9216302 Radiotherapy system and radiotherapy planning apparatus Takuzo Takayama 2015-12-22
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 Tetsuzou Ukai, Katsuhiro Fujita, 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 Tetsuzou Ukai, Katsuhiro Fujita, Takahide Ito, Makoto Takeuchi, Norio Hioki +2 more 2012-11-13
8152501 Scroll compressor for preventing performance deterioration and variation due to gas leakage Katsuhiro Fujita, Tomohisa Moro, Hirohumi Hirata, Masahiro Ohta, Kazuhide Watanabe +2 more 2012-04-10
8038421 Scroll compressor having an allowable angle of rotation Tetsuzou Ukai, Katsuhiro Fujita, 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
7771789 Method of forming mask and mask Shinichi Yotsuya, Hiroshi Koeda, Tadayoshi Ikehara 2010-08-10
7754274 Mask and method for manufacturing the same, method for manufacturing display, method for manufacturing organic electroluminescent display, organic electroluminescent device, and electronic device Shinichi Yotsuya 2010-07-13
7658600 Scroll compressor with thrustplate peeling prevention Katsuhiro Fujita, Kazuhide Watanabe, Tomohisa Moro, Makoto Takeuchi, Hiroshi Yamazaki +1 more 2010-02-09