Sumitomo Forestry Co., LTD.
24Patents
16Active
24Granted
46Portfolio score
Filing activity: Aug 23, 1984 → Sep 24, 2019 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8511033B2 | Beam-column connection structure of continued beam connection portion | Emerging Cross-Sectional Technologies | 16 | Active |
| US4647537A | Immobilization of microorganisms antagonistic to plant pathogenic microorganisms | Chemistry; Metallurgy | 13 | Expired |
| USD678757S1 | Screw bolt | General | 10 | Active |
| USD698638S1 | Nut | General | 10 | Active |
| US6916507B2 | Aqueous water repellent for substrate treatment, making method, preparation of modified plywood or modified laminated veneer lumber, and preparation of wooden fiberboard | Emerging Cross-Sectional Technologies | 8 | Expired |
| USD852029S1 | Connecting metal member for a column end | General | 8 | Active |
| US9249817B2 | Wooden member joint structure | Emerging Cross-Sectional Technologies | 7 | Active |
| USD708935S1 | Beam joint hardware | General | 6 | Active |
| USPP11654P | Dogwood tree named `White Love` | General | 6 | Expired |
| US8950126B2 | Wooden building skeleton | Fixed Constructions | 3 | Active |
| US9828773B2 | Column end joint structure | Fixed Constructions | 3 | Active |
| US6093694A | Antitumor active substances | Human Necessities | 3 | Expired |
| US9238909B2 | Column base joint structure | Fixed Constructions | 2 | Active |
| US8907012B2 | Production method for particle board and fiber board | Chemistry; Metallurgy | 2 | Active |
| US7062450B2 | System and program for afforestation and/or reforestation business | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4963398A | Process for continuous production of surface-consolidated lumber | Performing Operations; Transporting | 2 | Expired |
| US8857119B2 | Wooden member assembly | Fixed Constructions | 1 | Active |
| US9739299B2 | Coupling member, method for producing coupling member, and wooden member joint structure | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US6481154B1 | Method of large-scale propagation of trees of genus Swietenia | Human Necessities | 1 | Expired |
| US7781052B2 | Method for making particle board | Emerging Cross-Sectional Technologies | 1 | Active |
| USD700506S1 | Beam joint hardware | General | 1 | Active |
| USD850894S1 | Connecting metal member for a column end | General | 1 | Active |
| US12173347B2 | Technique for controlling molecular weight of PHA copolymer produced by halobacterium | Chemistry; Metallurgy | 0 | Active |
| US5922599A | Method for large-scale propagation of trees of genus Gmelina by tissue culture | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.