Issued Patents All Time
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4204298 | Compact vacuum cleaner | Tomoko Handa | 1980-05-27 |
HH
Hiroyuki Handa
Panasonic: 11 patents #2,326 of 21,108Top 15%
Yaskawa Electric: 9 patents #68 of 1,006Top 7%
Nissei Plastic Industrial Co.: 2 patents #80 of 189Top 45%
Mitsubishi Electric: 1 patents #413 of 959Top 45%
Hitachi: 1 patents #17,742 of 28,497Top 65%
Japan Atomic Energy Research Institute: 1 patents #188 of 609Top 35%
Toshiba Matsushita Display Technology Co.: 1 patents #112 of 235Top 50%
Yaskawa America: 1 patents #11 of 43Top 30%
Hitachi Engineering Co.: 1 patents #187 of 572Top 35%
Overall (All Time): #52,254 of 4,157,543Top 2%
51
Patents All Time