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Junichi Takeuchi — 70 Patents

SESeiko Epson: 31 patents #478 of 7,774Top 7%

TCTocalo Co.: 11 patents #2 of 105Top 2%

NENec Electronics: 6 patents #86 of 1,789Top 5%

TLTokyo Electron Limited: 4 patents #1,723 of 5,567Top 35%

Sharp Kabushiki Kaisha: 4 patents #3,475 of 10,731Top 35%

Nec: 4 patents #3,401 of 14,502Top 25%

HKHamamatsu Photonics K.K.: 3 patents #547 of 1,436Top 40%

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

RERenesas Electronics: 3 patents #1,322 of 4,529Top 30%

TIToyota Industries: 2 patents #892 of 1,610Top 60%

Nsk: 2 patents #645 of 1,559Top 45%

TKTanaka Kikinzoku Kogyo K.K.: 2 patents #140 of 436Top 35%

NSNec Soft: 1 patents #14 of 38Top 40%

Kyocera: 1 patents #2,054 of 3,732Top 60%

TCToyo Tanso Co.: 1 patents #72 of 192Top 40%

EBEbara: 1 patents #1,014 of 1,611Top 65%

Panasonic: 1 patents #13,316 of 21,108Top 65%

DCDaido Steel Co.: 1 patents #95 of 272Top 35%

ACAdvics Co.: 1 patents #370 of 686Top 55%

Chino, JP: #6 of 297 inventorsTop 3%

Overall (All Time): #29,186 of 4,157,543Top 1%

70 Patents All Time

Junichi Takeuchi has been granted 70 US patents while listed as an inventor at Seiko Epson. The first was granted in 1994 and the most recent in September 2025. Junichi Takeuchi ranks #29,186 of 4,157,543 US inventors in our database (top 0.70%). Patent records list Junichi Takeuchi in Chino, JP.

Patents per Year

Issued Patents All Time

Showing 1–25 of 70 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12405519	Lens retaining device and projection display apparatus	Atsushi Takagi, Kohei UEYAMA, Kouji Tokura	2025-09-02
12407323	Vibrator device	Ryuta Nishizawa	2025-09-02
12294333	Vibrator device	Ryuta Nishizawa	2025-05-06
12273092	Resonator device	Tomoyuki Kamakura, Ryuta Nishizawa, Yukihiro Hashi	2025-04-08
12080183	Multi-purpose fixture tool for manipulation training	Takkafumi Miyamoto, Takeshi ANRAKU, Masashi Okamoto	2024-09-03
12009801	Resonator device	Tomoyuki Kamakura, Ryuta Nishizawa, Yukihiro Hashi	2024-06-11
11866982	Cooker	Minoru Tanaka, Katsumi Ishifuro, Toshiro Meiji	2024-01-09
11863157	Vibrator device	Hisahiro Ito	2024-01-02
11831277	Resonator device	Ryuta Nishizawa	2023-11-28
11699984	Vibrator device, vibrator module, and electronic apparatus	—	2023-07-11
11381219	Vibrator device, vibrator module, and electronic apparatus	—	2022-07-05
11292341	Vibration device, electronic apparatus, and vehicle	Akira Mizuguchi, Akihiko Ebina, Takashi Yamazaki	2022-04-05
11289246	Vibrator device, electronic apparatus, and vehicle	—	2022-03-29
11245357	Vibration device	—	2022-02-08
11193195	Component for hot-dip metal plating bath	Masaya Nagai, Shinichi Kubo, Masashi Nagaya, Yoshinori Sumi, Yoshihiko KOYANAGI +2 more	2021-12-07
11094478	Clad material for electric contacts and method for producing the clad material	Takumi Niitsuma, Yoshinori AOYAMA, Ryuta Ido, Hideya Takahashi	2021-08-17
10647008	Robot	—	2020-05-12
10615090	Seal ring, electronic component housing package, electronic device, and manufacturing methods thereof	Harumi Takeoka, Kazuharu Yoshida, Ryuta Ido	2020-04-07
10605304	Insulated bearing	Manabu Yamada, Naozumi NAKATA, Shinichi Nishiguchi, Seiki Matsuura, Yuji Okada	2020-03-31
10337744	Heat cooking device	Tomohiro Kitaura, Yoshikazu Kitaguchi, Noriko Izumi, Mari Nishide, Yasuhiko Kamii +1 more	2019-07-02
10260562	Insulated bearing and bearing coating method	Yuji Okada, Masaya Nagai, Manabu Yamada, Naozumi NAKATA	2019-04-16
10154549	Heating cooker	Tadashi Nasu, Akihiro Yoshidome, Masayuki Iwamoto, Hiroshi Hirano	2018-12-11
9910029	Breath detection device, mobile terminal and time display device	—	2018-03-06
9683907	Physical quantity sensor, altimeter, electronic apparatus, and moving object	Takuya KINUGAWA	2017-06-20
9645027	Physical quantity sensor, pressure sensor, altimeter, electronic apparatus, and moving object	Kazuya Hayashi, Shoichi Nagamatsu, Takuya KINUGAWA	2017-05-09