HY

Hirofumi Yoshikawa

Sharp Kabushiki Kaisha: 17 patents #963 of 10,731Top 9%
TT The University Of Tokyo: 5 patents #149 of 2,633Top 6%
TL Teijin Limited: 4 patents #317 of 1,631Top 20%
MM Mitsubishi Mining: 3 patents #285 of 2,247Top 15%
NC Nippon Shinyaku Co.: 1 patents #122 of 237Top 55%
MC Matsumoto Yushi-Seiyaku Co.: 1 patents #49 of 113Top 45%
IBM: 1 patents #44,794 of 70,183Top 65%
Overall (All Time): #128,503 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 25 most recent of 29 patents

Patent #TitleCo-InventorsDate
12396317 Light-emitting element and method of manufacturing light-emitting element Yoshihiro Ueta, TAKAHIRO DOE, Masaki Yamamoto, Daisuke Toyoshima 2025-08-19
12371610 Light-emitting element and method for manufacturing light-emitting element Tatsuya Ryohwa, Masaki Yamamoto, TAKAHIRO DOE 2025-07-29
12150326 Display device and method of manufacturing display device Tatsuya Ryohwa, Masumi Kubo, TAKAHIRO DOE, Masaki Yamamoto 2024-11-19
12150359 Display device and method for manufacturing display device Tatsuya Ryohwa, Masumi Kubo, TAKAHIRO DOE, Masaki Yamamoto 2024-11-19
12029058 Light emitting element and display device using same Tatsuya Ryohwa, Masaki Yamamoto, TAKAHIRO DOE 2024-07-02
10866143 Infrared photodetection system TAKAHIRO DOE, Tazuko Kitazawa, Yasuhiko Arakawa 2020-12-15
10811554 Infrared photodetector TAKAHIRO DOE, Yasuhiko Arakawa 2020-10-20
10636833 Quantum dot infrared detector Yasuhiko Arakawa 2020-04-28
10181539 Photoelectric conversion element and photoelectric conversion device including the same Makoto Izumi, Yasuhiko Arakawa, Takeo Kageyama 2019-01-15
9601643 Photoelectric conversion element Makoto Izumi, Yasuhiko Arakawa 2017-03-21
9240507 Intermediate band solar cell using type I and type II quantum dot superlattices Makoto Izumi, Yasutaka Kuzumoto 2016-01-19
7905121 Washing machine with ion eluting and imbalance correcting units Mugihei Ikemizu, Masahiro Nishio 2011-03-15
7708896 Ion eluting unit and device loaded with same Hirokazu Ooe, Minoru Tadano, Mugihei Ikemizu 2010-05-04
7624601 Water supply device, water supply method, and washing machine having water supply device Mugihei Ikemizu, Rie Hiramoto, Minoru Tadano, Hirokazu Ohe 2009-12-01
7597718 Method and washing machine for imparting antistaticity to fabric structure and fabric structure imparted with antistaticity Rie Hiramoto, Kyoko Iimori 2009-10-06
6886371 Washer having a partial washing apparatus, and washing apparatus Nobushige Arai, Shinya Takagi, Rie Hiramoto, Ichirou Ohshima 2005-05-03
6820446 Sewage disposal agent, sewage purifier, washing machine with purifier, and sewage purifying method Nobushige Arai, Shinya Takagi, Ichiro Ohshima, Rie Hiramoto, Mugihei Ikemizu 2004-11-23
6137529 Apparatus for position data acquisition and an apparatus for coil position recognition Satoshi Kunimitsu, Noriyuki Kawada, Takashi Okai, Itsuo Murata, Koji Horimoto 2000-10-24
5977172 PGE.sub.1 -containing-freeze dried preparation and process for the production thereof Hideki Sasaki, Junzo Seki 1999-11-02
5559202 Bowl-shape microparticle and production thereof 1996-09-24
5544348 Simulation method and apparatus Shigeki Umeda 1996-08-06
D368100 Feeder for supplying a fixed quantity of particles Osamu Yoshikawa 1996-03-19
5375747 Pulverulent material feeder apparatus Osamu Yoshikawa 1994-12-27
4755337 Process for surface treating a polyester film Teruo Takahashi, Sadayoshi Miura, Tamaki Kanai 1988-07-05
4746251 Method of digitizing a profile locus Yuso Matsunaga 1988-05-24