YS

Yoshinori Shirai

HM Hitachi Maxell: 3 patents #330 of 1,211Top 30%
MM Mitsubishi Materials: 2 patents #498 of 1,543Top 35%
CL Central Glass Company, Limited: 1 patents #505 of 968Top 55%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
TI Tokyo Electric Power Company Holdings, Incorporated: 1 patents #245 of 711Top 35%
Overall (All Time): #737,664 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8968491 Sputtering target and method for producing same Shoubin Zhang, Masahiro Shoji 2015-03-03
8795489 Sputtering target and method for producing the same Shoubin Zhang 2014-08-05
7940203 Electromagnetic wave absorption board to be used in wireless LAN Masaaki Katano, Tadashi Onishi, Tetsuji Hattori 2011-05-10
5783320 Magneto-optical recording medium and process for producing the same Katsusuke Shimazaki, Satoru Ohnuki, Masatoshi Hashimoto, Norio Ohta, Hideo Fujiwara +4 more 1998-07-21
5637411 Magneto-optical recording medium and process for producing the same Katsusuke Shimazaki, Satoru Ohnuki, Masatoshi Hashimoto, Norio Ohta, Hideo Fujiwara +4 more 1997-06-10
5598399 Magneto-optical recording medium having multiple magnetic layers for magneto-optical recording medium Noriyuki Ogihara, Takehiko Yorozu 1997-01-28
5153427 Optical d.c. voltage transformer Genji Takahashi, Kazuyuki Seino, Sadamu Saito, Tadashi Sato, Etsunori Mori +1 more 1992-10-06