AK

Akira Kumagai

KT Kabushiki Kaisha Toshiba: 8 patents #3,802 of 21,451Top 20%
Canon: 5 patents #9,253 of 19,416Top 50%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
CH Chiyoda: 4 patents #43 of 358Top 15%
AG Agc: 3 patents #235 of 954Top 25%
FL Fujitsu Semiconductor Limited: 3 patents #229 of 1,301Top 20%
NE Nec: 3 patents #4,195 of 14,502Top 30%
YE Yaskawa Electric: 1 patents #557 of 1,006Top 60%
Kyocera: 1 patents #2,054 of 3,732Top 60%
MC Minophagen Pharmaceutical Co.: 1 patents #1 of 25Top 4%
AN Anelva: 1 patents #135 of 280Top 50%
NT NTT: 1 patents #2,911 of 4,871Top 60%
RI Rinnai: 1 patents #85 of 173Top 50%
SC Showa Electric Wire & Cable Co.: 1 patents #42 of 169Top 25%
TC Tocalo Co.: 1 patents #41 of 105Top 40%
Casio Computer Co.: 1 patents #1,284 of 1,970Top 70%
Overall (All Time): #81,536 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDate
12362496 Protective plate-equipped reflective member Kouichirou Takahashi, Osamu Kagaya, Shimpei NAGAE 2025-07-15
12355140 Antenna device Yasuo Morimoto, Takeshi Motegi, Kazuhiko Niwano, Kouichirou Takahashi 2025-07-08
11949160 Distributed antenna and distributed antenna system Yasuo Morimoto, Takeshi Motegi, Keisuke Arai, Osamu Kagaya 2024-04-02
11272579 Heat generating component Shikou Abukawa, Kensuke Taguchi, Toru Moriyama, Yasuhiro Sato, Yu Asakimori 2022-03-08
10882329 Thermal head and thermal printer Hironari Abe 2021-01-05
9740564 Information device storing data for system restoration 2017-08-22
9503670 Electronic apparatus and display control method Kenichi Taniuchi, Kazuhiko Kashiwagi, Yuuichiro Aso, Hirokazu Kato 2016-11-22
9039813 Exhaust gas treatment apparatus Noboru Takei, Sohsuke Kido, Naohiro Kaji 2015-05-26
8961666 Exhaust gas treatment apparatus Noboru Takei, Sohsuke Kido, Naohiro Kaji 2015-02-24
8887795 Heat exchanger and water heater including the same Masayuki Toda, Hiromitsu Sasada 2014-11-18
8862864 Information device storing state restoration software 2014-10-14
8736696 Image processing apparatus, imaging apparatus and image processing method Nobuyasu Akaizawa 2014-05-27
8683186 Information device storing state restoration software 2014-03-25
8663594 Exhaust gas treating method Kazushige Kawamura, Dai Takeda, Eiji Awai 2014-03-04
8503729 Image processing apparatus, image processing system, and image processing method 2013-08-06
8356167 Information device, storing predetermined state restoration software 2013-01-15
8284269 Image pickup apparatus Hiroshi Kikuchi 2012-10-09
8188776 Phase-locked loop circuit 2012-05-29
8150243 Heating process apparatus Masami Shibagaki, Kenji Numajiri, Akihiro Egami 2012-04-03
7981216 Vacuum processing apparatus Keiji Ishibashi, Masahiko Tanaka, Manabu Ikemoto, Katsuhisa Yuda 2011-07-19
7814306 Information device, storage medium and initial state restoration method 2010-10-12
7807553 Substrate heating apparatus and semiconductor fabrication method Masami Shibagaki, Kenji Numajiri, Akihiro Egami, Susumu Akiyama 2010-10-05
7666763 Nanosilicon semiconductor substrate manufacturing method and semiconductor circuit device using nanosilicon semiconductor substrate manufactured by the method Yukinobu Murao, Yoichiro Numasawa 2010-02-23
7631274 Information processing apparatus Hiroto Yoshihara 2009-12-08
7337313 Information device, storage medium and initial state restoration method 2008-02-26