TAMAI SHIGERU has a total of 23 patent applications. Its first patent ever was published in 1984. It filed its patents most often in United States, EPO (European Patent Office) and Japan. Its main competitors in its focus markets textiles and paper, environmental technology and packaging and shipping are VALMET PAPERIKONEET OY, VALMET TAMPELLA INC and TEOLLISUUSMITTAUS OY.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 21 | |
| #2 | EPO (European Patent Office) | 1 | |
| #3 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Environmental technology | |
| #3 | Packaging and shipping |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tamai Shigeru | 23 |
| #2 | Koyama Yuji | 20 |
| Publication | Filing date | Title |
|---|---|---|
| JPS6157370A | Correcting implement for character or the like |