Glass composition, glass sheet and method for producing same, and substrate for information recording medium
US-12573425-B2 · Mar 10, 2026 · US
Nippon Sheet Glass Co Ltd patents
Nippon Sheet Glass Co Ltd holds 526 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 526 |
| Recent patents | 148 |
| First publication | Jan 1, 2015 |
| Latest publication | Mar 10, 2026 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Separator for lead acid battery
US-12562433-B2 · Feb 24, 2026 · US
Glass composition, glass fiber, glass filler, glass fiber manufacturing method, and glass filler manufacturing method
US-2026042699-A1 · Feb 12, 2026 · US
Rod lens array, optical device, image sensor, printer, inspection apparatus, base glass composition for gradient-index rod lens, and method of manufacturing gradient-index rod lens
US-2026029560-A1 · Jan 29, 2026 · US
Rod lens array, contact image sensor, reading device, image inspection device, and method for manufacturing rod lens array
US-2026029561-A1 · Jan 29, 2026 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Glass composition, glass sheet and method for producing same, and substrate for information recording medium
US-12573425-B2 · Mar 10, 2026 · US
Separator for lead acid battery
US-12562433-B2 · Feb 24, 2026 · US
Glass composition, glass fiber, glass filler, glass fiber manufacturing method, and glass filler manufacturing method
US-2026042699-A1 · Feb 12, 2026 · US
Rod lens array, optical device, image sensor, printer, inspection apparatus, base glass composition for gradient-index rod lens, and method of manufacturing gradient-index rod lens
US-2026029560-A1 · Jan 29, 2026 · US
Rod lens array, contact image sensor, reading device, image inspection device, and method for manufacturing rod lens array
US-2026029561-A1 · Jan 29, 2026 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| B32B17/10036 | 77 |
| C03C3/087 | 69 |
| B32B17/10761 | 58 |
| G02B5/208 | 57 |
| C03C3/091 | 53 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Chemistry & Metallurgy | 364 |
| Operations & Transport | 237 |
| Physics | 181 |
| Electricity | 139 |
| Cross-Sectional Technologies | 106 |
| Textiles & Paper | 40 |
| Fixed Constructions | 35 |
| Mechanical Engineering | 26 |
| Human Necessities | 25 |
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Frequently asked questions
Answers are generated from the same data shown on this page.
- How many patents does Nippon Sheet Glass Co Ltd have in patentsdb?
- Nippon Sheet Glass Co Ltd is linked to 526 publications as assignee in our database.
- What technology areas does Nippon Sheet Glass Co Ltd patent most?
- Top mapped technology areas by patent count: Chemistry & Metallurgy (364); Operations & Transport (237); Physics (181).
- Is Nippon Sheet Glass Co Ltd's patent activity growing?
- In our data, assignee counts were 64 in 2024 and 50 in 2025 (lower year over year).
- What are recent patents assigned to Nippon Sheet Glass Co Ltd?
- See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.