HK

Hirofumi Kubota

Sumitomo Electric Industries: 23 patents #806 of 21,551Top 4%
TO Toyota: 16 patents #1,599 of 26,838Top 6%
PA Panasonic: 8 patents #3,315 of 21,108Top 20%
Pioneer: 7 patents #234 of 1,730Top 15%
TC Toshiba Matsushita Display Technology Co.: 6 patents #16 of 235Top 7%
Pioneer Electronic: 4 patents #477 of 1,840Top 30%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
JC Japan Display Central: 1 patents #29 of 90Top 35%
DE Denso: 1 patents #6,940 of 11,792Top 60%
📍 Moriya, JP: #8 of 174 inventorsTop 5%
Overall (All Time): #31,685 of 4,157,543Top 1%
67
Patents All Time

Issued Patents All Time

Showing 1–25 of 67 patents

Patent #TitleCo-InventorsDate
12329186 Carbonated beverage Naruko Kanazawa, Yumeko HAYASHI 2025-06-17
11885515 Air conditioning system to calculate indoor air quality index to control air ventilation Ryo Arakawa, Yoshifumi Watabe 2024-01-30
11300023 Exhaust gas purification system for internal combustion engine Naoya Kaneko 2022-04-12
10830167 Exhaust gas purification system for an internal combustion engine Koichi Kitaura, Yasuyuki Irisawa, Takashi Tsunooka 2020-11-10
10712602 Optical drive Kazuki KITAMURA, Hiroshi Fukushima, Norihiro Ito, Masuyuki Ota 2020-07-14
10563599 Control system for turbocharged internal combustion engine Takanobu Hosoya, Yasuyuki Irisawa, Takashi Tsunooka 2020-02-18
10415459 Warm-up system for exhaust gas apparatus Takanobu Hosoya, Yasuyuki Irisawa, Takashi Tsunooka 2019-09-17
10345675 Optical device Yuko SUZUKA 2019-07-09
10337422 Control apparatus for internal combustion engine, and abnormality diagnosis system for control apparatus for internal combustion engine Takanobu Hosoya, Yasuyuki Irisawa, Takashi Tsunooka 2019-07-02
9583731 Organic electroluminescence element Shin Okumura, Hitomichi Takano, Kazuyuki Yamae, Masao Kirihara 2017-02-28
9203047 Organic electroluminescent element Tsutomu Ichihara, Yoshiharu Sanagawa, Nobuhiro Ide 2015-12-01
9105857 Organic electroluminescent element, lighting fixture, and food storage device Varutt Kittichungchit, Hiroya Tsuji 2015-08-11
9076979 Organic electroluminescent element, lighting fixture, and food storage device Varutt Kittichungchit, Hiroya Tsuji 2015-07-07
8987721 Organic electroluminescent element and lighting fixture Hiroyuki Sasaki 2015-03-24
8357997 Organic EL device and manufacturing method thereof 2013-01-22
8011185 Boost pressure control apparatus and boost pressure control method of internal combustion engine Masahiro Inoue, Yasuyuki Irisawa 2011-09-06
7960908 Organic EL display Satoshi Okutani, Tsuyoshi Uemura 2011-06-14
7614229 Control system for supercharged internal combustion engine Yasuyuki Irisawa, Toshihiko Tanaka 2009-11-10
7573193 Optical device and organic EL display Satoshi Okutani, Tsuyoshi Uemura, Naotada Okada, Junichi Tonotani, Keiji Suzuki +1 more 2009-08-11
7521858 Organic EL display and method of manufacturing the same Norihisa Maeda, Masuyuki Oota, Kenji Mitsui 2009-04-21
7431624 Method of manufacturing organic EL element Norihisa Maeda, Hideyuki Murata 2008-10-07
7402939 Organic EL display Satoshi Okutani, Tsuyoshi Uemura 2008-07-22
7375463 Optical device and organic EL display Tsuyoshi Uemura, Satoshi Okutani, Muneharu Akiyoshi, Naotada Okada, Junichi Tonotani 2008-05-20
7345420 Organic electroluminescence display panel and method for manufacturing the same 2008-03-18
7297038 Method for manufacturing organic Electro Luminescence panel 2007-11-20