KA

Koichi Arai

RE Renesas Electronics: 23 patents #78 of 4,529Top 2%
AM Arai Machinery: 8 patents #1 of 1Top 100%
IBM: 5 patents #18,733 of 70,183Top 30%
AR Arai: 4 patents #1 of 4Top 25%
Casio Computer Co.: 2 patents #935 of 1,970Top 50%
HM Hitachi Medical: 2 patents #260 of 680Top 40%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
KC Kowa Company: 2 patents #203 of 562Top 40%
CC Casio Electronics Manufacturing Co.: 2 patents #29 of 107Top 30%
TO Tosoh: 1 patents #576 of 1,042Top 60%
PJ Primetals Technologies Japan: 1 patents #47 of 100Top 50%
HG HGST: 1 patents #1,032 of 1,677Top 65%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
TC Taisei Lamick Co.: 1 patents #3 of 11Top 30%
JS Jfe Steel: 1 patents #825 of 1,401Top 60%
Overall (All Time): #41,312 of 4,157,543Top 1%
58
Patents All Time

Issued Patents All Time

Showing 25 most recent of 58 patents

Patent #TitleCo-InventorsDate
12285810 Drill for carbon-fiber composite material Giichi Arai, Katsuyo Kimura, Satoshi Teshima 2025-04-29
11631764 Manufacturing method of semiconductor device and semiconductor device Kenichi HISADA, Hironobu Miyamoto 2023-04-18
11364555 Drill Giichi Arai, Katsuyo Kimura, Satoshi Teshima 2022-06-21
11207617 Shearing member and filtration device 2021-12-28
10854588 Semiconductor device Hisashi Toyoda, Koichi Yamazaki, Tatsuhiro Seki 2020-12-01
10833188 Manufacturing method of semiconductor device and semiconductor device Kenichi HISADA, Hironobu Miyamoto 2020-11-10
10534048 Magnetic resonance imaging apparatus and SAR prediction method Takeshi Yatsuo, Yoshiaki Sato 2020-01-14
10486844 Heat-sealing device and filling-packing machine provided therewith Mitsuhiro Sato 2019-11-26
10468496 Manufacturing method for semiconductor device having an oxidation-resistant insulating film in a termination region Kenichi HISADA 2019-11-05
10293392 Coiler device provided with chute guide Hiroshi Matsumoto, Takayuki Endo, Takao Uchiyama, Tsutomu Sugiyama, Takeshi Chiba 2019-05-21
10256339 Semiconductor device for power transistor Yasunori Yamashita, Kenichi HISADA 2019-04-09
10109733 Semiconductor device for power transistor Yasunori Yamashita, Kenichi HISADA 2018-10-23
9922829 Semiconductor device and manufacturing method thereof Kenichi HISADA 2018-03-20
9837395 Semiconductor device Hisashi Toyoda, Koichi Yamazaki, Tatsuhiro Seki 2017-12-05
9691908 Vertical-channel type junction SiC power FET and method of manufacturing same Kenichi HISADA 2017-06-27
9570602 Manufacturing method of semiconductor device and semiconductor device Masaki Hama, Yasuaki Kagotoshi, Kenichi HISADA 2017-02-14
9543453 Semiconductor device including junction field effect transistor and method of manufacturing the same 2017-01-10
9543395 Normally-off power JFET and manufacturing method thereof Yasuaki Kagotoshi, Nobuo Machida, Natsuki Yokoyama, Haruka Shimizu 2017-01-10
9466734 Method of manufacturing semiconductor device and semiconductor device Yasuaki Kagotoshi, Kenichi HISADA 2016-10-11
9412819 Semiconductor device and manufacturing method thereof Kenichi HISADA 2016-08-09
9406743 Semiconductor device with counter doped layer Yasuaki Kagotoshi, Natsuki Yokoyama, Haruka Shimizu 2016-08-02
9337327 Manufacturing method of semiconductor device and semiconductor device Masaki Hama, Yasuaki Kagotoshi, Kenichi HISADA 2016-05-10
9199836 Method of manufacturing a semiconductor integrated circuit device having a MEMS element 2015-12-01
9184238 Vertical-channel type junction SiC power FET and method of manufacturing same Kenichi HISADA 2015-11-10
9048264 Manufacturing method of semiconductor device and semiconductor device Yasuaki Kagotoshi, Natsuki Yokoyama, Haruka Shimizu 2015-06-02