RI

Ritsuo Iwata

Yamaha: 14 patents #157 of 2,001Top 8%
FI Forestry And Forest Products Research Institute: 1 patents #5 of 53Top 10%
Overall (All Time): #355,875 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
7074844 Adhesives Hironao Nagashima, Tomohide Ogata, Kazunari Suzuki, Koji Nakajima 2006-07-11
6723766 Method for manufacturing ligneous material Yoshihiro Hirano, Satoshi Suzuki 2004-04-20
6632326 Modifying method for wood elements Yoshihiro Hirano, Hiroshige Murakami 2003-10-14
6602451 Wooden material and manufacturing method therefor Hideaki Korai, Makoto Kiguchi, Yoshihiro Hirano, Satoshi Suzuki 2003-08-05
6376582 Wood fiberboard and manufacturing method therefor Yoshihiro Hirano, Satoshi Suzuki, Katsunobu Fukuda, Hironori Watanabe 2002-04-23
6129871 Manufacturing method for a wood board Satoshi Suzuki, Shigeki Kataoka, Kaneo Ohmoto 2000-10-10
5736218 Wood board and a flooring material made therefrom Satoshi Suzuki, Hirotosi Takahasi, Takayuki Endo 1998-04-07
5705001 Method of manufacturing wood based panels Hirotoshi Takahashi, Satoshi Suzuki, Shiro Hanao 1998-01-06
5554429 Wood board and flooring material Hirotosi Takahashi, Satoshi Suzuki, Takayuki Endo 1996-09-10
5506026 Wood board and a flooring material made therefrom Satoshi Suzuki, Hirotosi Takahasi, Takayuki Endo 1996-04-09
5422170 Wood based panels Hirotoshi Takahashi, Satoshi Suzuki, Shiro Hanao 1995-06-06
5058777 Automatic method and apparatus for scattering wood pieces in production of a decorative board Kaneo Omoto, Hironao Nagasima, Tomohide Ogata 1991-10-22
4963214 Method for producing a wooden decorative article Tomohide Ogata, Kaneo Omoto, Hironao Nagashima, Koji Nakajima, Yutaka Miyamoto 1990-10-16
4911969 Decorative sheet and method of manufacturing the same Tomohide Ogata, Hironao Nagashima 1990-03-27