Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
TA

Takuya Aoyagi

HIHitachi: 23 patents #1,433 of 28,497Top 6%
HCHitachi Chemical Company: 14 patents #83 of 1,946Top 5%
HCHitachi Powdered Metals Co.: 4 patents #32 of 246Top 15%
HSHitachi Automotive Systems: 2 patents #689 of 1,636Top 45%
HHHitachi High-Technologies: 1 patents #1,282 of 1,917Top 70%
PAPanasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #72,360 of 4,157,543Top 2%
42 Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
9543265 Joint material, and jointed body Motomune Kodama, Takashi Naito, Tadashi Fujieda, Yuichi Sawai, Masanori Miyagi 2017-01-10
9490380 Metal matrix composite and method for producing the same Tadashi Fujieda, Takashi Naito, Yuichi Sawai 2016-11-08
9390829 Paste composition for electrode and photovoltaic cell Masato Yoshida, Takeshi Nojiri, Mitsunori Iwamuro, Shuuichirou Adachi, Keiko Kizawa +3 more 2016-07-12
9373558 Resin-sealed electronic control device Nobutake Tsuyuno, Hiroshi Hozoji, Takashi Naito, Motomune Kodama, Masanori Miyagi 2016-06-21
9224517 Paste composition for electrode and photovoltaic cell Shuichiro Adachi, Masato Yoshida, Takeshi Nojiri, Mitsunori Iwamuro, Keiko Kizawa +3 more 2015-12-29
9196563 Bonded body and semiconductor module Yuichi Sawai, Takashi Naito, Tadashi Fujieda, Mutsuhiro Mori 2015-11-24
9142708 Glass composition and conductive paste for aluminum electrode wiring, electronic component provided with that aluminum electrode wiring and method for producing this electronic component Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba 2015-09-22
9048056 Glass composition and covering and sealing members using same Kei Yoshimura, Shinichi Tachizono, Yuji Hashiba, Takashi Naito 2015-06-02
8951436 Positive electrode active material Yuji Hashiba, Kei Yoshimura, Shinichi Tachizono, Takashi Naito, Tadashi Fujieda 2015-02-10
8945436 Conductive paste and electronic part equipped with electrode wiring formed from same Takashi Naito, Hiroki Yamamoto, Takahiko Kato 2015-02-03
8895460 Glass composition, electrically conductive paste composition comprising same, electrode wiring member, and electronic component Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Takashi Naito 2014-11-25
8802963 Thermoelectric conversion material Tadashi Fujieda, Takashi Naito 2014-08-12
8790549 Electronic component provided with Cu—Al—Co-based alloy electrode or wiring Takahiko Kato, Takashi Naito, Hiroki Yamamoto, Seiichi Watanabe, Seiji Miura +3 more 2014-07-29
8685872 Low softening point glass composition, bonding material using same and electronic parts Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Keiichi Kanazawa +3 more 2014-04-01
8470723 Low softening point glass composition, bonding material using same and electronic parts Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Keiichi Kanazawa +3 more 2013-06-25
8337723 Electroconductive material and positive electrode material for lithium ion secondary battery using the same Yuji Hashiba, Shinichi Tachizono, Kei Yoshimura, Takashi Naito 2012-12-25
8217274 Wiring member, method of manufacturing the wiring member and electronic element Hiroki Yamamoto, Takashi Naito, Yuuichi Sawai, Takahiko Kato 2012-07-10