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Yasuhiro Ito — 147 Patents

Tdk: 42 patents #69 of 3,796Top 2%

NSNippon Steel: 27 patents #23 of 4,423Top 1%

FIFujifilm Business Innovation: 13 patents #856 of 1,659Top 55%

NMNippon Steel & Sumitomo Metal: 8 patents #93 of 1,491Top 7%

Canon: 7 patents #7,879 of 19,416Top 45%

S(Sae Magnetics (H.K.): 6 patents #73 of 585Top 15%

Kyocera: 6 patents #471 of 3,732Top 15%

Honda Motor Co.: 5 patents #4,418 of 21,052Top 25%

NTNippei Toyama: 5 patents #5 of 72Top 7%

NINgk Insulators: 5 patents #566 of 2,083Top 30%

JCJapan Vilene Company: 4 patents #10 of 154Top 7%

Hitachi: 4 patents #8,948 of 28,497Top 35%

Kabushiki Kaisha Toshiba: 3 patents #8,069 of 21,451Top 40%

HTHeadway Technologies: 3 patents #155 of 309Top 55%

NKNippon Hoso Kyokai: 3 patents #100 of 703Top 15%

Toyota: 3 patents #8,470 of 26,838Top 35%

Rohm Co.: 2 patents #1,039 of 2,292Top 50%

Apple: 2 patents #9,294 of 18,612Top 50%

Panasonic: 2 patents #9,726 of 21,108Top 50%

HSHitachi Systems: 1 patents #37 of 78Top 50%

HSHitachi Automotive Systems: 1 patents #965 of 1,636Top 60%

CLCable Television Laboratories: 1 patents #181 of 243Top 75%

HMHitachi Aloka Medical: 1 patents #35 of 93Top 40%

NINikon: 1 patents #1,647 of 2,493Top 70%

APAstellas Pharma: 1 patents #544 of 954Top 60%

NINichidai: 1 patents #1 of 15Top 7%

SISumitomo Rubber Industries: 1 patents #1,096 of 1,637Top 70%

Overall (All Time): #6,491 of 4,157,543Top 1%

147 Patents All Time

Yasuhiro Ito has been granted 147 US patents while listed as an inventor at Tdk. The first was granted in 1992 and the most recent in December 2025. Yasuhiro Ito ranks #6,491 of 4,157,543 US inventors in our database (top 0.16%). Patent records list Yasuhiro Ito in Tokyo, MI, JP.

Patents per Year

Issued Patents All Time

Showing 1–25 of 147 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12492458	Steel sheet	Satoshi HIRONAKA, Mai NAGANO, Takahiro Takayama	2025-12-09
12473623	Steel sheet	Satoshi HIRONAKA, Mai NAGANO	2025-11-18
12440882	Burring processing method, method for manufacturing burring processed product, burring processing mold, burring processing device, and burring processed product	Kenichiro Otsuka, Masafumi Azuma, Toru Yonebayashi	2025-10-14
12337645	Structural part	Ryo Tabata, Takeshi Kawachi, Masahiro Nakata	2025-06-24
12221161	Long structural member and blank material	Masahiko Abe	2025-02-11
11951520	Blank and component	Soma SONOBE	2024-04-09
11907239	Information processing apparatus and non-transitory computer readable medium storing computer program	—	2024-02-20
11890694	Resistance spot welding apparatus and method for manufacturing a welded structure	Yoshiaki Nakazawa, Tohru Okada, Masanori Yasuyama, Yasunori SAWA	2024-02-06
11862810	Separator for electrochemical element	Hiroki CHO, Yoshinori Sato, Ayuka NOGUCHI, Akihiko Kawano, Masanao Tanaka	2024-01-02
11854743	Dielectric composition, electronic device, and multilayer electronic device	Taku Murakami, Nobuto Morigasaki, Takuma Ariizumi, Toshihiko Kaneko	2023-12-26
11842851	Dielectric composition, electronic device, and multilayer electronic device	Takuma Ariizumi, Taku Murakami, Nobuto Morigasaki, Toshihiko Kaneko	2023-12-12
11826857	Steel sheet and member	Takashi YASUTOMI	2023-11-28	$168,000
11731392	Panel structure	Takahiro AITOH	2023-08-22	$156,000
11718351	Automobile structural member and vehicle body	—	2023-08-08	$172,000
11712730	Manufacturing method and manufacturing device of structural member	Ryo Tabata	2023-08-01	$213,000
11657709	Safety confirmation support system and safety confirmation support method	Masakazu Nakazawa, Kyoko Ueda, Nobutaka KITAJIMA, Mutsumi KAWAGOE, Tadashi Yoshida +1 more	2023-05-23
11639313	Dielectric ceramic composition and electronic component	Dan Sakurai, Nobuto Morigasaki, Toshihiko Kaneko, Toshihiro Iguchi	2023-05-02
11597441	Automobile structural member	Ryo URUSHIBATA	2023-03-07	$154,000
11566914	Information providing apparatus, information providing system, and non-transitory computer readable medium storing program	Junko Murakami	2023-01-31
11507536	Information processing apparatus and non-transitory computer readable medium for selecting file to be displayed	Junko Murakami, Tomoyuki Shimizu	2022-11-22
11465687	Automobile structural member	Ryo URUSHIBATA	2022-10-11	$95,000
11413919	Structural member	Yoshiaki Nakazawa, Takeshi Kawachi	2022-08-16	$134,000
11282622	Ferrite composition and multilayer electronic component	Takeshi SHIBAYAMA, Takashi Suzuki, Takahiro Sato, Kenji KOMORITA, Tatsuro Suzuki +2 more	2022-03-22
11267517	Member and vehicle frame	—	2022-03-08	$130,000
11256880	Information processing apparatus and non-transitory computer readable medium	Kazuya Tanaka	2022-02-22