Issued Patents All Time
Showing 176–176 of 176 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4249219 | Current drive circuit for an induction coil | Hajime Aoi, Makoto Koizumi, Noboru Kunimi, Minoru Enomoto, Noriaki Hatanaka | 1981-02-03 |
TT
Takashi Tamura
Panasonic: 34 patents #418 of 21,108Top 2%
Sun Patent Trust: 25 patents #45 of 106Top 45%
Sony: 18 patents #2,315 of 25,231Top 10%
Kyocera Document Solutions: 14 patents #184 of 1,545Top 15%
Hitachi: 11 patents #3,813 of 28,497Top 15%
Konishiroku Photo Industry Co.: 10 patents #69 of 894Top 8%
Kyocera Mita: 8 patents #51 of 763Top 7%
Showa Denko K.K.: 7 patents #183 of 1,736Top 15%
Konica: 6 patents #429 of 1,958Top 25%
Pentel Kabushiki Kaisha: 4 patents #13 of 170Top 8%
Showa Aluminum: 3 patents #52 of 253Top 25%
Excell: 2 patents #4 of 15Top 30%
Subaru: 2 patents #413 of 1,436Top 30%
Ihi: 2 patents #401 of 1,178Top 35%
Synaptics Japan Gk: 2 patents #22 of 104Top 25%
Towa: 2 patents #22 of 110Top 20%
Mitsumi Electric Co.: 1 patents #527 of 935Top 60%
Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
Nissan Shatai Co.: 1 patents #19 of 67Top 30%
Nitto Denko: 1 patents #1,580 of 2,479Top 65%
Nkk Co.: 1 patents #579 of 1,173Top 50%
Japan Fine Ceramics Center: 1 patents #52 of 117Top 45%
Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Hino Motors: 1 patents #109 of 311Top 40%
Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
Fujifilm: 1 patents #3,076 of 4,519Top 70%
Synaptics Incorporated: 1 patents #354 of 606Top 60%
Fdk: 1 patents #147 of 324Top 50%
Tamron Co.: 1 patents #74 of 138Top 55%
Ando Electric Co.: 1 patents #158 of 301Top 55%
Unknown: 1 patents #29,356 of 83,584Top 40%
Keihin Thermal Technology: 1 patents #18 of 31Top 60%
Jtekt: 1 patents #1,102 of 1,969Top 60%
Yuyama Mfg. Co.: 1 patents #87 of 147Top 60%
Overall (All Time): #4,445 of 4,157,543Top 1%
176
Patents All Time