Issued Patents All Time
Showing 126–127 of 127 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4548537 | Apparatus for taking up rod type materials | Hiroshi Kubotera, Kenji Hatakeyama | 1985-10-22 |
| 4408241 | Cleaning device | — | 1983-10-04 |
KO
Kenji Ogawa
Panasonic: 19 patents #1,080 of 21,108Top 6%
Neuberg Company Limited: 9 patents #1 of 1Top 100%
Sony: 9 patents #4,874 of 25,231Top 20%
Nec: 4 patents #3,388 of 14,502Top 25%
Mitsui Engineering & Shipbuilding Co.: 4 patents #31 of 496Top 7%
Resonac: 3 patents #53 of 474Top 15%
Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
Mitsubishi Denki K.K.: 3 patents #44 of 577Top 8%
Nippon Crucible Co.: 2 patents #5 of 45Top 15%
Dainichiseika Color & Chemicals Mfg. Co.: 2 patents #125 of 376Top 35%
Hitachi: 2 patents #13,388 of 28,497Top 50%
Idemitsu Petrochemical Co.: 2 patents #182 of 578Top 35%
Nisshin Steel Co.: 2 patents #160 of 514Top 35%
Yazaki: 2 patents #1,574 of 3,427Top 50%
Yoshitomi Pharmaceutical Industries: 2 patents #99 of 310Top 35%
Kajima: 1 patents #125 of 383Top 35%
Riken: 1 patents #679 of 1,824Top 40%
Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Japan Tobacco: 1 patents #582 of 1,187Top 50%
Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Taiheiyo Cement: 1 patents #83 of 203Top 45%
Chugoku Electric Power Co.: 1 patents #53 of 143Top 40%
Toshiba Electronic Devices & Storage: 1 patents #470 of 900Top 55%
Toshiba Storage Device: 1 patents #44 of 150Top 30%
Unknown: 1 patents #29,356 of 83,584Top 40%
Japan Aviation Electronics Industry, Limited: 1 patents #440 of 728Top 65%
National University Corp Hiroshima University: 1 patents #13 of 42Top 35%
Hitachi Zosen: 1 patents #216 of 531Top 45%
Overall (All Time): #8,786 of 4,157,543Top 1%
127
Patents All Time