SHOFU INC.
183Patents
158Active
183Granted
57Portfolio score
Filing activity: Apr 11, 1983 → Aug 16, 2023 · 35 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5989022A | Shade matching device for artificial teeth and crown restoration | Performing Operations; Transporting | 69 | Expired |
| US5264513A | Primer composition | Chemistry; Metallurgy | 56 | Expired |
| US5883153A | Fluoride ion sustained release preformed glass ionomer filler and dental compositions containing the same | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6620861B1 | Dental fillers | Human Necessities | 39 | Expired |
| US6183250A | Lock for orthodontic treatment | Human Necessities | 36 | Expired |
| US4447208A | Dental polisher | Performing Operations; Transporting | 27 | Expired |
| US6583197B1 | Dental adhesive composition | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5707611A | Tooth surface treating agent | Human Necessities | 24 | Expired |
| USD637722S1 | Set of artificial teeth | General | 18 | Expired |
| USD632394S1 | Set of artificial teeth | General | 18 | Expired |
| US6063830A | Dental curable composition and artificial tooth | Human Necessities | 17 | Expired |
| US8209044B2 | Modeling data creating system, manufacturing method, and modeling data creating program | Physics | 17 | Active |
| US6121381A | Composition containing urethane (metha)acrylate in polymer | Chemistry; Metallurgy | 16 | Expired |
| US5670657A | (Meth) arcylic ester derivatives | Chemistry; Metallurgy | 14 | Expired |
| US7488762B2 | Two paste-type glass ionomer cement | Human Necessities | 14 | Active |
| US6136886A | Dental elastic restorative material and method for production of dental prosthetic material using the same | Human Necessities | 13 | Expired |
| US7879924B2 | Dental composite resin cement, dental primer and dental adhesive kit containing them | Human Necessities | 13 | Active |
| USD644737S1 | Dental instrument | General | 13 | Expired |
| USD632393S1 | Set of artificial teeth | General | 12 | Expired |
| USD616547S1 | Artificial tooth | General | 12 | Expired |
| USD811843S1 | Jig | General | 11 | Active |
| US7823782B2 | Dental optical coherence tomograph | Physics | 11 | Active |
| US8267683B2 | Apparatus for forming layered object | Human Necessities | 11 | Active |
| USD662590S1 | Dental rotary instruments | General | 11 | Active |
| US8267695B2 | Tooth for dental arch model and method for producing the same | Human Necessities | 9 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.