Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348441 | Fibrous insulating material and insulating wall | — | 1982-09-07 |
| 4269887 | Ceramic fiber felt | Kazuo Sonobe | 1981-05-26 |
TK
Takeo Kato
Toppan Printing Co.: 6 patents #114 of 1,467Top 8%
Komatsu Shisakusho: 5 patents #69 of 885Top 8%
Toshiba Lighting & Technology: 3 patents #153 of 486Top 35%
Isolite Babcock Refractories Co.: 3 patents #1 of 9Top 15%
Komatsu: 2 patents #831 of 2,087Top 40%
Sumitomo Rubber Industries: 2 patents #809 of 1,637Top 50%
Komatsu Forklift Co.: 2 patents #1 of 23Top 5%
Ulvac: 1 patents #339 of 680Top 50%
Nihon Sinku Gijutsu Kabusiki: 1 patents #13 of 21Top 65%
Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
Overall (All Time): #143,730 of 4,157,543Top 4%
27
Patents All Time