TH

Toshikatsu Hayashi

RI Riken: 8 patents #57 of 1,824Top 4%
SL Shiseido Company, Limited: 3 patents #241 of 1,112Top 25%
JS Jsp: 1 patents #80 of 134Top 60%
TI Takeda Chemical Industries: 1 patents #745 of 1,420Top 55%
📍 Gyōda, JP: #45 of 565 inventorsTop 8%
Overall (All Time): #380,053 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
9885417 Piston ring Kouhei Sugimoto, Yoshinari Watanabe, Ryou Obara 2018-02-06
9709169 Piston ring Kouhei Sugimoto, Yoshinari Watanabe, Hayato Sasaki 2017-07-18
9285032 Piston ring Hayato Sasaki, Takashi Ono, Kouhei Sugimoto 2016-03-15
7759015 Separator for fuel cell with austenitic stainless steel substrate Yunzhi Gao, Jun Satou 2010-07-20
6784419 Electromagnetic wave absorber Yasushi Sakai 2004-08-31
6771204 Radio wave absorber Akira Kunimoto 2004-08-03
6582687 Weak acid skin cleanser Yohei Hamano, Shin Nakamura, Yumiko Fujiwara, Tomiyuki Namba 2003-06-24
6373425 Composite electromagnetic wave absorber and method of fitting the same Shigeo Inoue, Kazuo Shimada 2002-04-16
6294536 Triazine derivatives, their production and use Hideki Miki, Isao Aoki 2001-09-25
6197318 Composition for external use Koji Abe, Reiji Miyahara, Tomiyuki Nanba, Tadashi Nakamura, Nozomiko Seki +2 more 2001-03-06
6146647 Multi-layer lightweight texture composition Yukari Aoyama, Koji Abe 2000-11-14
5985875 1,2,4-triazine-3, 5-dione derivatives, their production and use thereof Hideki Miki, Isao Aoki, Koichi Iwanaga 1999-11-16
5892188 Porous ferrite wave absorber Hiroshi Kawamoto 1999-04-06