HK

Hajime Kato

YA Yazaki: 78 patents #11 of 3,427Top 1%
Tdk: 21 patents #243 of 3,796Top 7%
TO Toyota: 17 patents #1,469 of 26,838Top 6%
TI Toray Industries: 8 patents #282 of 3,690Top 8%
Mitsubishi Electric: 8 patents #3,714 of 25,717Top 15%
SS Sumitomo Wiring Systems: 5 patents #684 of 2,615Top 30%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HT Hitachi Plant Technologies: 2 patents #55 of 279Top 20%
KC Kansai Chemical Engineering Co.: 2 patents #11 of 46Top 25%
SL Suntory Holdings Limited: 2 patents #246 of 846Top 30%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
RG Rakuten Group: 2 patents #119 of 553Top 25%
TL Toyota Central R&D Labs: 2 patents #528 of 1,657Top 35%
OC Onoda Cement Co.: 1 patents #57 of 155Top 40%
EC Elecom Co.: 1 patents #3 of 6Top 50%
HH Hitachi High-Technologies: 1 patents #1,282 of 1,917Top 70%
KU Kobe University: 1 patents #6 of 16Top 40%
DC Dwango Co.: 1 patents #30 of 56Top 55%
SC Sanki Engineering Co.: 1 patents #13 of 48Top 30%
SC Senju Metal Industry Co.: 1 patents #203 of 349Top 60%
SU Subaru: 1 patents #819 of 1,684Top 50%
TI Tokai Rubber Industries: 1 patents #281 of 557Top 55%
Overall (All Time): #5,948 of 4,157,543Top 1%
153
Patents All Time

Issued Patents All Time

Showing 151–153 of 153 patents

Patent #TitleCo-InventorsDate
4234212 Recording sheet Yasuhiro Ogata 1980-11-18
4227931 Self-hardening mold sand Hiroshi Uchikawa 1980-10-14
4219219 Developers for pressure-sensitive recording and developing sheets containing them Kozo Sato 1980-08-26