YK

Yuichi Kitagawa

KC Kokusan Denki Co.: 14 patents #6 of 128Top 5%
Nissan Motor Co.: 11 patents #614 of 8,689Top 8%
AC Asahi Kasei Kogyo Co.: 7 patents #56 of 1,395Top 5%
TO Toyota: 6 patents #4,786 of 26,838Top 20%
AC Asahi Kasei Chemicals: 3 patents #106 of 543Top 20%
FC Funai Electric Co.: 2 patents #454 of 943Top 50%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
RD Roland Dg: 1 patents #88 of 158Top 60%
Overall (All Time): #53,743 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 1–25 of 50 patents

Patent #TitleCo-InventorsDate
12312369 Rare-earth complex, light-emitting material, light-emitting object, light-emitting device, interlayer for laminated glass, laminated glass, windshield for vehicle, wavelength conversion material, and security material Marina Kumagai, Yasuchika Hasegawa, Takayuki Nakanishi, Koji Fushimi 2025-05-27
12291545 Rare earth complex, rare earth complex solution, luminescent molded article, method for producing luminescent product, luminescent sheet, and vinyl greenhouse for agriculture Kaori Shima, Satoshi Wada, Yasuchika Hasegawa, Koji Fushimi 2025-05-06
11499093 Rare earth complex and light emitting element Fumiya SUZUE, Takayuki Nakanishi, Koji Fushimi, Yasuchika Hasegawa 2022-11-15
10812927 Spatial sound generation device, spatial sound generation system, spatial sound generation method, and spatial sound generation program Shiro Ise 2020-10-20
10800368 Vehicle occupant protection device, airbag control method, and airbag folding method 2020-10-13
10745614 Rare-earth complex polymer Takayuki Nakanishi, Yuichi Hirai, Yasuchika Hasegawa, Koji Fushimi 2020-08-18
10723247 Vehicle seat 2020-07-28
10703322 Vehicle side airbag device 2020-07-07
10682973 Vehicle knee airbag device and knee airbag folding method 2020-06-16
10654439 Airbag device for front passenger seat and airbag folding method 2020-05-19
10532669 Vehicle seat 2020-01-14
10399999 Polymer complex and production process therefor Yasuchika Hasegawa, Ayako Nakajima, Takayuki Nakanishi, Koji Fushimi 2019-09-03
10005196 Cutting apparatus Shinya Yamamoto, Takeshi Tozuka, Tadashi Kawashima 2018-06-26
9493629 Modified butadiene-based polymer composition Haruo Yamada, Takaaki Matsuda 2016-11-15
9315600 Method for producing modified conjugated diene polymer, modified conjugated diene polymer, modified conjugated diene polymer composition, rubber composition and tire Daisuke Hayata, Chigusa Yamada, Junichi Yoshida, Takaaki Matsuda 2016-04-19
8278395 Process for manufacturing modified conjugated diene polymer, composition comprising the polymer, and tire comprising the composition Toshikazu Hoshina, Kiyoo Katou 2012-10-02
7503308 Fuel injection and ignition control method and fuel injection and ignition control device of engine 2009-03-17
7149620 Control device for engine driven vehicle incorporating generator Kazuyoshi Kishibata, Hiroyasu Sato 2006-12-12
7149621 Control device for engine driven vehicle incorporating generator Kazuyoshi Kishibata, Hiroyasu Sato 2006-12-12
7140356 Engine throttle opening degree area estimation method, as well as engine acceleration detection method and device and engine fuel injection control method and device using the estimation method Kazuyoshi Kishibata, Hiroyasu Sato, Tomoaki Sekita 2006-11-28
7133762 Control device for engine driven vehicle incorporating generator Tomoaki Sekita, Kazuyoshi Kishibata, Hiroyasu Sato 2006-11-07
7032440 Engine rotation information detection device Kazuyoshi Kishibata, Hiroyasu Sato 2006-04-25
6997167 Fuel injection control system for engine Kazuyoshi Kishibata, Hiroyasu Sato, Akira Shimoyama 2006-02-14
6971969 Method and device for determining transmission state of power transmission device for internal combustion engine driven vehicle Kazuyoshi Kishibata, Hiroyasu Sato 2005-12-06
6854450 Electronic control system for engine Kazuyoshi Kishibata, Hiroyasu Sato 2005-02-15