Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Tadashi Fujieda — 41 Patents

Hitachi: 31 patents #867 of 28,497Top 4%
HCHitachi Chemical Company: 4 patents #392 of 1,946Top 25%
HHHitachi High-Technologies: 4 patents #845 of 1,917Top 45%
HCHitachi Kenki Fine Tech Co.: 1 patents #12 of 29Top 45%
PRProterial: 1 patents #122 of 267Top 50%
Tokyo, JP: #2,748 of 90,295 inventorsTop 4%
Overall (All Time): #75,001 of 4,157,543Top 2%
41 Patents All Time
Tadashi Fujieda has been granted 41 US patents while listed as an inventor at Hitachi. The first was granted in 1999 and the most recent in June 2024. Tadashi Fujieda ranks #75,001 of 4,157,543 US inventors in our database (top 1.8%). Patent records list Tadashi Fujieda in Tokyo, JP.

Patents per Year

Patents granted per year, 1999 to 2024Bar chart with a peak of 7 patents in 2017.peak 71999: 2 patents19992004: 2 patents2005: 4 patents20052006: 1 patents2007: 3 patents20072008: 1 patents2010: 3 patents20102014: 1 patents2015: 3 patents20152016: 1 patents2017: 7 patents20172018: 2 patents2019: 3 patents20192020: 3 patents2021: 1 patents20212022: 2 patents2023: 1 patents20232024: 1 patents2024

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12000022 High entropy alloy article, product formed of said high entropy alloy article, and fluid machine having said product Meichuan Chen, Kousuke Kuwabara 2024-06-04
11796980 Additive-manufactured object design supporting device and additive-manufactured object design supporting method Takashi Hamaguchi 2023-10-24
11492685 Alloy member, process for producing said alloy member, and product including said alloy member Hiroshi SHIRATORI, Kousuke Kuwabara, Atsuhiko ONUMA 2022-11-08
11359638 Alloy article, method for manufacturing said alloy article, product formed of said alloy article, and fluid machine having said product Meichuan Chen, Kousuke Kuwabara 2022-06-14
11141791 Alloy article, method for manufacturing same, and product using same Mamoru HIROTA, Kosuke Kuwabara, Kinya Aota, Takahiko Kato, Akihiko Chiba +3 more 2021-10-12
10787725 High entropy alloy article, method for manufacturing same, and product using same Kousuke Kuwabara, Mamoru HIROTA, Kinya Aota, Takahiko Kato, Akihiko Chiba +2 more 2020-09-29
10702944 Alloy structure and method for producing alloy structure Takahiko Kato, Kousuke Kuwabara, Kinya Aota, Isamu Takahashi, Hiroyuki Satake +2 more 2020-07-07
10576538 Alloy structure and method for producing alloy structure Takahiko Kato, Kousuke Kuwabara, Kinya Aota, Isamu Takahashi, Kenji Yamaga +2 more 2020-03-03
10358379 Heat-insulating member, low-melting glass composition, and sealing material paste Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Takuya Aoyagi +2 more 2019-07-23
10252938 Glass composition, glass frit containing same, glass paste containing same, and electrical/electronic component obtained using same Yuichi Sawai, Takashi Naito, Takuya Aoyagi 2019-04-09
10170273 Charged particle beam device, and method of manufacturing component for charged particle beam device Takashi Ichimura, Hiroyuki Ito, Shinichi Kato, Hisaya Murakoshi, Tatsuya Miyake +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
9899662 Method for producing electrodes for all-solid battery and method for producing all-solid battery Taigo ONODERA, Jun KAWAJI 2018-02-20
9824900 Bonded structure and production method therefor Motomune Kodama, Takashi Naito, Yuichi Sawai, Takuya Aoyagi, Masanori Miyagi 2017-11-21
9796821 Composite material Takuya Aoyagi, Takashi Naito, Yuichi Sawai, Hajime Murakami, Hiroshi Yoshida +2 more 2017-10-24
9789568 Solder, aluminum wire body and motor using the same Takuya Aoyagi, Motomune Kodama, Takashi Naito, Yuichi Sawai, Masanori Miyagi +2 more 2017-10-17
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 Takashi Naito, Takuya Aoyagi, Yuichi Sawai, Hajime Murakami, Hiroshi Yoshida +2 more 2017-07-18
9614178 Electronic component, process for producing same, sealing material paste, and filler particles Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Takuya Aoyagi +5 more 2017-04-04
9543265 Joint material, and jointed body Motomune Kodama, Takashi Naito, Yuichi Sawai, Takuya Aoyagi, Masanori Miyagi 2017-01-10
9490380 Metal matrix composite and method for producing the same Takashi Naito, Takuya Aoyagi, Yuichi Sawai 2016-11-08
9196563 Bonded body and semiconductor module Yuichi Sawai, Takashi Naito, Takuya Aoyagi, Mutsuhiro Mori 2015-11-24
9023522 Cathode for lithium-ion secondary battery, lithium-ion secondary battery, vehicle and power storage system equipped with the battery Akira Gunji, Shin Takahashi, Takashi Naito 2015-05-05
8951436 Positive electrode active material Yuji Hashiba, Kei Yoshimura, Shinichi Tachizono, Takashi Naito, Takuya Aoyagi 2015-02-10
8802963 Thermoelectric conversion material Takashi Naito, Takuya Aoyagi 2014-08-12