Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YO

Yoichi Ozawa — 72 Patents

Bridgestone: 50 patents #18 of 2,860Top 1%
EIEisai: 7 patents #173 of 998Top 20%
ECEisai R&D Management Co.: 5 patents #139 of 817Top 20%
ACAjinomoto Co.: 5 patents #360 of 2,190Top 20%
JSJsr: 4 patents #275 of 1,137Top 25%
RIRiken: 2 patents #375 of 1,824Top 25%
PCPrism Pharma Co.: 1 patents #4 of 9Top 45%
Tsukuba, OH: #1 of 1 inventorsTop 100%
Overall (All Time): #27,652 of 4,157,543Top 1%
72 Patents All Time

Issued Patents All Time

Showing 26–50 of 72 patents

Patent #TitleCo-InventorsDate
7906631 Method of producing rare earth salt of dialkyl phosphate or dioleyl phosphate Hideaki Suzuki 2011-03-15
7893153 Process for producing modified conjugated diene polymer, modified conjugated diene polymer obtained by the process, and rubber composition containing the same Ryouji Tanaka, Kouichirou Tani, Takuo Sone, Toshihiro Tadaki, Junko Kurazumi +1 more 2011-02-22
7786236 Polymeric nano-particles of flower-like structure and applications Xiaorong Wang, James E. Hall 2010-08-31
7767774 Silyl-diamine initiators for anionic polymerization of 1,3-butadiene and styrene, and rubber compositions Eiju Suzuki 2010-08-03
7750087 Modified polymers prepared with lanthanide-based catalysts H. Jerrold Miller, Koji Masaki, Tatsuo Fujimaki, Takuo Sone, Iwakazu Hattori +1 more 2010-07-06
7718728 Rubber composition containing modified conjugated diene polymer and tire Satoshi Mikami, Kentaro Fujino, Akira Suzuki 2010-05-18
7691957 Butadiene-based polymer and method of producing the same as well as rubber composition and tire using the same Eiju Suzuki, Tetsuya Ohmura, Junko Kurazumi 2010-04-06
7671136 Modified polymers prepared with lanthanide-based catalysts H. Jerrold Miller, Koji Masaki 2010-03-02
7642322 Functionalized high cis-1,4-polybutadiene prepared using novel functionalizing agents H. Jerrold Miller, Koji Masaki, Koichi Morita, Tatsuo Fujimaki, Tetsuya Omura +2 more 2010-01-05
7511108 Pneumatic tire Eiju Suzuki, Shojiro Kaita, Yasuo Wakatsuki 2009-03-31
7205370 Polymeric nano-particles of flower-like structure and applications Xiaorong Wang, James E. Hall 2007-04-17
7094849 Bulk polymerization process for producing polydienes Steven Luo, William M. Cole 2006-08-22
7037548 Soybean embryo fat/oil and process for producing soybean material with high embryo concentration Akihiro Nakatani, Hitoshi Sato, Osamu Mori, Yukio Akiyama, Yasushi Morinaga +1 more 2006-05-02
7015241 Appetite-stimulating agents and remedies for anorexia Takashi Owa, Takayuki Hida, Norimasa Miyamoto, Takeshi Nagasu, Tatsuo Okauchi +5 more 2006-03-21
6992147 Modified polymers prepared with lanthanide-based catalysts H. Jerrold Miller, Koji Masaki, Tatsuo Fujimaki, Takuo Sone, Iwakazu Hattori +1 more 2006-01-31
6977281 Modified polymers prepared with lanthanide-based catalysts H. Jerrold Miller, Koji Masaki 2005-12-20
6897270 Continuous process for the production of conjugated diene polymers having narrow molecular weight distribution and products therefrom David M. Roggeman, H. Jerrold Miller, Koji Masaki, Steven Luo, Thomas A. Antkowiak 2005-05-24
6814998 Soybean embryo fat/oil and process for producing soybean material with high embryo concentration Akihiro Nakatani, Hitoshi Sato, Osamu Mori, Yukio Akiyama, Yasushi Morinaga +1 more 2004-11-09
6787534 Sulfonamide-containing heterocyclic compounds Toru Haneda, Akihiko Tsuruoka, Junichi Kamata, Tadashi Okabe, Keiko Takahashi +10 more 2004-09-07
6765066 Copolymers prepared by using both anionic polymerization techniques and coordination catalysts 2004-07-20
6699813 Lanthanide-based catalyst composition for the manufacture of polydienes Steven Luo, Koji Masaki, David F. Lawson 2004-03-02
6673787 Sulfonamide-containing indole compounds Toru Haneda, Akihiko Tsuruoka, Junichi Kamata, Tadashi Okabe, Keiko Takahashi +10 more 2004-01-06
6638964 Sulfonamide-containing indole compounds Toru Haneda, Akihiko Tsuruoka, Junichi Kamata, Tadashi Okabe, Keiko Takahashi +10 more 2003-10-28
6472464 Styrene-butadiene copolymer and rubber composition comprising the copolymer Koichi Morita, Hajime Kondo 2002-10-29
6469043 Sulfonamide-containing indole compounds Toru Haneda, Akihiko Tsuruoka, Junichi Kamata, Tadashi Okabe, Keiko Takahashi +10 more 2002-10-22