Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Takashi Naito — 130 Patents

Hitachi: 55 patents #211 of 28,497Top 1%
HCHitachi Chemical Company: 14 patents #83 of 1,946Top 5%
Sony: 9 patents #4,898 of 25,231Top 20%
Panasonic: 9 patents #2,948 of 21,108Top 15%
ADAdvantest: 5 patents #198 of 1,193Top 20%
HCHitachi Powdered Metals Co.: 5 patents #24 of 246Top 10%
Toyota: 4 patents #6,797 of 26,838Top 30%
TCThk Co.: 4 patents #95 of 450Top 25%
ACAisin Aw Co.: 3 patents #581 of 2,011Top 30%
TCToyoda Gosei Co.: 3 patents #706 of 2,296Top 35%
Denso: 2 patents #4,986 of 11,792Top 45%
ECEquos Research Co.: 2 patents #16 of 97Top 20%
HMHitachi Maxell: 2 patents #441 of 1,211Top 40%
KOKoa: 2 patents #41 of 157Top 30%
RTRenesas Technology: 2 patents #1,374 of 3,337Top 45%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
SCShowa Denko Materials Co.: 2 patents #64 of 270Top 25%
HGHGST: 2 patents #833 of 483Top 175%
Aisin Seiki Kabushiki Kaisha: 2 patents #1,427 of 3,782Top 40%
HDHitachi Displays: 2 patents #384 of 752Top 55%
TLToyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
KRKabushikikaisha Equos Research: 1 patents #52 of 103Top 55%
HLHitachi Plasma Display Limited: 1 patents #4 of 16Top 25%
NCNippondenso Co.: 1 patents #1,765 of 3,479Top 55%
HCHitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
YEYokogawa Electric: 1 patents #658 of 1,441Top 50%
AIAmp (Japan) Ltd. I: 1 patents #1 of 14Top 8%
Tokyo, JP: #195 of 90,295 inventorsTop 1%
Overall (All Time): #8,439 of 4,157,543Top 1%
130 Patents All Time
Takashi Naito has been granted 130 US patents while listed as an inventor at Hitachi. The first was granted in 1986 and the most recent in May 2025. Takashi Naito ranks #8,439 of 4,157,543 US inventors in our database (top 0.20%). Patent records list Takashi Naito in Tokyo, JP.

Patents per Year

Patents granted per year, 1993 to 2025Bar chart with a peak of 11 patents in 2012.peak 111993: 2 patents19931994: 1 patents1996: 1 patents1999: 3 patents19992000: 4 patents2001: 5 patents2002: 4 patents20022003: 4 patents2004: 9 patents2005: 5 patents20052006: 1 patents2007: 6 patents2008: 2 patents20082009: 2 patents2010: 2 patents2011: 2 patents20112012: 11 patents2013: 3 patents2014: 7 patents20142015: 9 patents2016: 5 patents2017: 10 patents20172018: 5 patents2019: 8 patents2020: 2 patents20202021: 3 patents2022: 2 patents2023: 3 patents20232024: 1 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 130 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12306619 System, method, and recording medium having recorded thereon program Paul Kennedy 2025-05-20
12055938 Mobile robot, mobile robot control system, and mobile robot control method Hitoshi Kitano 2024-08-06
11797012 Mobile robot, mobile robot control system, and mobile robot control method Hitoshi Kitano 2023-10-24
11643867 Gas trapping member and vacuum heat insulation equipment Taigo ONODERA, Tatsuya Miyake, Takuya Aoyagi, Shinichi Tachizono, Yuji Hashiba +1 more 2023-05-09
11542192 Sealing material and multilayered glass panel using same Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Hironori Suzuki, Taigo ONODERA +2 more 2023-01-03
11519738 Position calculating apparatus 2022-12-06 $521,000
11467576 Autonomous driving system Nobuhide Kamata, Ryo Igarashi, Kazuhiko Kamikado, Kiyosumi Kidono, Kunihiro Goto 2022-10-11 $679,000
11112803 Mobile robot and control method Hitoshi Kitano 2021-09-07
10968135 Lead-free glass composition, and glass composite material, glass paste, and sealing structure body containing the same Taigo ONODERA, Tatsuya Miyake, Akitoyo Konno, Shinichi Tachizono, Yuji Hashiba +3 more 2021-04-06
10913680 Lead-free glass composition, glass composite material, glass paste, sealing structure, electrical/electronic component and coated component Takuya Aoyagi, Tatsuya Miyake, Takeshi Kondo, Hiroki Kaneko, Kazutaka Okamoto 2021-02-09
10731996 Position calculating apparatus 2020-08-04 $646,000
10566503 Multilayer glass Hiroki Kaneko, Yoshifumi Sekiguchi, Tatsuya Miyake 2020-02-18
10449622 Conductive joint article and method for manufacturing same Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Kiyomi Nakamura, Taigo ONODERA +2 more 2019-10-22
10442724 Joining material and joined body using same Takuya Aoyagi, Tatsuya Miyake 2019-10-15
10391629 Air pump apparatus using electric actuator and air pump system Koji Ozawa, Masaki Nagatsuka, Munehiro Iwata, Aiko Tagawa, Miki Tobita 2019-08-27
10392296 Sealed structural body and method for manufacturing the same Motomune Kodama, Masanori Miyagi, Takuya Aoyagi 2019-08-27
10358379 Heat-insulating member, low-melting glass composition, and sealing material paste Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Takuya Aoyagi, Motomune Kodama +2 more 2019-07-23
10259740 Multi-layer glass and method for producing the same Tatsuya Miyake, Takuya Aoyagi, 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, Takuya Aoyagi, Tadashi Fujieda 2019-04-09
10177069 Heat-dissipating structure and semiconductor module using same Motomune Kodama, Takuya Aoyagi, Shigeru Kikuchi, Takashi Nogawa, Mutsuhiro Mori +6 more 2019-01-08
10083780 Surface mount resistor 2018-09-25
10079948 Image reading apparatus provided with original document skew correction function Hiroshi KUSUDA, Takefusa Ogata, Katsuji Ichimaru, Kenji Fukuta, Terumi Tsuda 2018-09-18
10026923 Electronic component, method for producing same, and sealing material paste used in same Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Motomune Kodama, Masanori Miyagi +5 more 2018-07-17
10009495 Image reading apparatus and document transport method used therefor Katsuji Ichimaru, Hiroshi KUSUDA 2018-06-26
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 Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Takuya Aoyagi, Taigo ONODERA +1 more 2018-04-24