TH

Tsutomu Hirau

SL Sri Sports Limited: 18 patents #23 of 176Top 15%
SI Sumitomo Rubber Industries: 3 patents #635 of 1,637Top 40%
DC Dunlop Sports Co.: 2 patents #92 of 168Top 55%
Overall (All Time): #174,666 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
8721473 Golf ball Kazuhiko Isogawa, Hirotaka Nakamura, Takahiro Shigemitsu 2014-05-13
8651977 Golf ball Kazuhiko Isogawa 2014-02-18
8608593 Golf ball Kazuhiko Isogawa 2013-12-17
8608594 Golf ball Kazuhiko Isogawa, Hirotaka Nakamura, Takahiro Shigemitsu 2013-12-17
8563654 Golf ball Toshiyuki Tarao 2013-10-22
8523710 Golf ball Kazuhiko Isogawa 2013-09-03
8491417 Golf ball Kazuhiko Isogawa 2013-07-23
8450425 Golf ball Satoko Okabe, Takahiro Shigemitsu, Kazuhiko Isogawa 2013-05-28
8399563 Golf ball Kazuhiko Isogawa, Satoko Okabe 2013-03-19
8314172 Golf ball Kazuhiko Isogawa, Satoko Okabe 2012-11-20
8118690 Golf ball Kazuya Kamino, Seiichiro Endo 2012-02-21
8048958 Golf ball Toshiyuki Tarao 2011-11-01
8043168 Golf ball Kazuhiko Isogawa 2011-10-25
8017690 Golf ball Toshiyuki Tarao 2011-09-13
7976412 Golf ball Kazuhiko Isogawa 2011-07-12
7614966 Golf ball Seiichiro Endo, Kazuya Kamino 2009-11-10
7582026 Golf ball Kazuya Kamino, Seiichiro Endo 2009-09-01
7229583 Method of producing a golf ball Keiji Moriyama, Takashi Sasaki, Satoshi Iwami, Masaaki Kikuchi 2007-06-12
7208114 Golf ball manufacturing method Keiji Moriyama, Takashi Sasaki, Akira Kato, Masaaki Kikuchi 2007-04-24
7087201 Process for producing golf ball Masaaki Kikuchi, Keiji Moriyama 2006-08-08
6750281 Golf ball and method of manufacturing thereof Hiroaki Tanaka 2004-06-15
6525124 Golf ball Hidenori Hiraoka, Kazushige Sugimoto, Yoshimasa Koizumi 2003-02-25
5874504 Golf ball Masatoshi Yokota 1999-02-23
5511791 Thread wound golf ball Tadahiro Ebisuno, Keiji Moriyama, Kazushige Sugimoto 1996-04-30