Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
TA

Takuya Aoyagi — 42 Patents

Hitachi: 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%
Panasonic: 1 patents #13,316 of 21,108Top 65%
HHHitachi High-Technologies: 1 patents #1,617 of 1,917Top 85%
Tokyo, JP: #2,631 of 90,295 inventorsTop 3%
Overall (All Time): #72,062 of 4,157,543Top 2%
42 Patents All Time
Takuya Aoyagi has been granted 42 US patents while listed as an inventor at Hitachi. The first was granted in 2012 and the most recent in July 2025. Takuya Aoyagi ranks #72,062 of 4,157,543 US inventors in our database (top 1.7%). Patent records list Takuya Aoyagi in Tokyo, JP.

Patents per Year

Patents granted per year, 2012 to 2025Bar chart with a peak of 11 patents in 2017.peak 112012: 2 patents20122013: 1 patents2014: 4 patents20142015: 6 patents2016: 3 patents20162017: 11 patents2018: 2 patents20182019: 8 patents2020: 1 patents20202021: 2 patents2023: 1 patents20232025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 42 patents

Patent #TitleCo-InventorsDate
12371792 Laminate, metal plating solution, and manufacturing process of laminate Hiroshi Kanemoto, Tomio Iwasaki, Toshinori Kawamura, Hitoshi Suzuki 2025-07-29
11643867 Gas trapping member and vacuum heat insulation equipment Taigo ONODERA, Takashi Naito, Tatsuya Miyake, Shinichi Tachizono, Yuji Hashiba +1 more 2023-05-09
11143563 Pressure detection device with noise resistant pressure sensor Daisuke Terada, Hiroshi Onuki 2021-10-12
10913680 Lead-free glass composition, glass composite material, glass paste, sealing structure, electrical/electronic component and coated component Takashi Naito, Tatsuya Miyake, Takeshi Kondo, Hiroki Kaneko, Kazutaka Okamoto 2021-02-09
10788385 Physical quantity measurement device, method for manufacturing same, and physical quantity measurement element Takashi Naitou, Tatsuya Miyake, Mizuki Shibata, Hiroshi Onuki, Daisuke Terada +1 more 2020-09-29
10449622 Conductive joint article and method for manufacturing same Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Kiyomi Nakamura +2 more 2019-10-22
10442724 Joining material and joined body using same Takashi Naito, Tatsuya Miyake 2019-10-15
10392296 Sealed structural body and method for manufacturing the same Motomune Kodama, Masanori Miyagi, Takashi Naito 2019-08-27
10358379 Heat-insulating member, low-melting glass composition, and sealing material paste Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Motomune Kodama +2 more 2019-07-23
10259740 Multi-layer glass and method for producing the same Tatsuya Miyake, Takashi Naito, Eiichi Ogiwara, Akihito Iwai, Shinichi Tachizono +2 more 2019-04-16
10252938 Glass composition, glass frit containing same, glass paste containing same, and electrical/electronic component obtained using same Yuichi Sawai, Takashi Naito, Tadashi Fujieda 2019-04-09
10177069 Heat-dissipating structure and semiconductor module using same Takashi Naito, Motomune Kodama, Shigeru Kikuchi, Takashi Nogawa, Mutsuhiro Mori +6 more 2019-01-08
10170273 Charged particle beam device, and method of manufacturing component for charged particle beam device Takashi Ichimura, Hiroyuki Ito, Shinichi Kato, Hisaya Murakoshi, Tadashi Fujieda +3 more 2019-01-01
10026923 Electronic component, method for producing same, and sealing material paste used in same Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Motomune Kodama +5 more 2018-07-17
9950948 Lead-free low-melting glass composition, low-temperature sealing glass frit, low-temperature sealing glass paste, conductive material, and conductive glass paste containing glass composition, and glass-sealed component and electric/electronic component prepared using the same Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Taigo ONODERA +1 more 2018-04-24
9824900 Bonded structure and production method therefor Motomune Kodama, Takashi Naito, Yuichi Sawai, Tadashi Fujieda, Masanori Miyagi 2017-11-21
9796821 Composite material Takashi Naito, Tadashi Fujieda, Yuichi Sawai, Hajime Murakami, Hiroshi Yoshida +2 more 2017-10-24
9789568 Solder, aluminum wire body and motor using the same Motomune Kodama, Takashi Naito, Tadashi Fujieda, Yuichi Sawai, Masanori Miyagi +2 more 2017-10-17
9793011 Structure, electronic element module, heat exchanger, fuel rod, and fuel assembly Ryou Ishibashi, Takashi Naitou, Motomune Kodama, Tetsushi HINO, Motoo Aoyama +4 more 2017-10-17
9786463 Electronic component, conductive paste, and method for manufacturing an electronic component Takashi Naito, Yuji Hashiba, Kei Yoshimura, Shinichi Tachizono 2017-10-10
9728341 Electronic component, method for producing same, and sealing material paste used in same Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Motomune Kodama +5 more 2017-08-08
9708460 Composite material Tadashi Fujieda, Takashi Naito, Yuichi Sawai, Hajime Murakami, Hiroshi Yoshida +2 more 2017-07-18
9670090 Lead-free low-melting glass composition, low-temperature sealing glass frit, low-temperature sealing glass paste, conductive material, and conductive glass paste containing glass composition, and glass-sealed component and electric/electronic component prepared using the same Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Taigo ONODERA +1 more 2017-06-06
9614178 Electronic component, process for producing same, sealing material paste, and filler particles Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Masanori Miyagi +5 more 2017-04-04
9556061 Lead-free low-melting glass composition, low-temperature sealing glass frit, low-temperature sealing glass paste, conductive material, and conductive glass paste containing glass composition, and glass-sealed component and electric/electronic component prepared using the same Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Taigo ONODERA +1 more 2017-01-31