Nitto Boseki has a total of 1717 patents globally, out of which 1072 have been granted. Of these 1717 patents, more than 44% patents are active. Japan is where Nitto Boseki has filed the maximum number of patents, followed by United States of America and China. Parallelly, Japan seems to be the main focused R&D centre and also is the origin country of Nitto Boseki.
Nitto Boseki was founded in the year 1898. The Company produces and sells textiles, building materials and glass fibers. The Company provides cotton, rock wool, glass filament, flooring, sound-absorbing ceiling plates and melamine boards. The Company also manufactures medical products and specialty chemicals and provides environmental engineering and real estate services. As of March 2023, the market cap of Nitto Boseki is $52.96 Billion.
Do read about some of the most popular patents of Nitto Boseki which have been covered by us in this article and also you can find Nitto Boseki patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Nitto Boseki patent portfolio.
How many patents does the CEO of Nitto Boseki have?
The CEO Yuichi Tsuji has 0 patents.
How many patents does Nitto Boseki have?
Nitto Boseki has a total of 1717 patents globally. These patents belong to 952 unique patent families. Out of 1717 patents, 771 patents are active.
How Many Patents did Nitto Boseki File Every Year?
Are you wondering why there is a drop in patent filing for the last two years? It is because a patent application can take up to 18 months to get published. Certainly, it doesn’t suggest a decrease in the patent filing.
| Year of Patents Filing or Grant | Nitto Boseki Applications Filed | Nitto Boseki Patents Granted |
| 2023 | – | 14 |
| 2022 | 26 | 57 |
| 2021 | 53 | 37 |
| 2020 | 97 | 33 |
| 2019 | 59 | 47 |
| 2018 | 83 | 36 |
| 2017 | 36 | 35 |
| 2016 | 32 | 50 |
| 2015 | 57 | 49 |
| 2014 | 47 | 61 |
| 2013 | 40 | 60 |
| 2012 | 73 | 45 |
How many Nitto Boseki patents are Alive/Dead?
How Many Patents did Nitto Boseki File in Different Countries?
Countries in which Nitto Boseki Filed Patents
| Country | Patents |
| Japan | 884 |
| United States Of America | 123 |
| China | 116 |
| Europe | 105 |
| Korea (South) | 87 |
| Taiwan | 83 |
| Germany | 74 |
| Hong Kong (S.A.R.) | 22 |
| Australia | 16 |
| Austria | 11 |
| Macao | 9 |
| Singapore | 7 |
| Malaysia | 5 |
| Spain | 5 |
| Canada | 4 |
| Norway | 2 |
| Denmark | 2 |
| Switzerland | 2 |
| France | 2 |
| Italy | 2 |
| Mexico | 2 |
| India | 1 |
Where are Research Centres of Nitto Boseki Patents Located?
10 Best Nitto Boseki Patents
WO2011155362A1 is the most popular patent in the Nitto Boseki portfolio. It has received 59 citations so far from companies like AGI Holding, Casey Corporation and KCC Co.
Below is the list of 10 most cited patents of Nitto Boseki:
| Publication Number | Citation Count |
| WO2011155362A1 | 59 |
| US6933045B2 | 52 |
| US20050079970A1 | 47 |
| JP2004184768A | 47 |
| US7744820B2 | 40 |
| JP2003321247A | 35 |
| WO2007046439A1 | 34 |
| WO2006129695A1 | 30 |
| WO2008044521A1 | 29 |
| JP4491778B2 | 29 |
How many inventions of other companies were rejected due to Nitto Boseki patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Nitto Boseki invention. They couldn’t because Nitto Boseki had protected those before them.
Examiners at the USPTO referred 36 Nitto Boseki patents in 162 rejections (35 USC § 102 or 35 USC § 103 types).
The top citing companies in the Nitto Boseki patent portfolio are Becton Dickinson, Electric Glass Fiber and Owens Corning.
List of the Companies who’s Patents were rejected citing Nitto Boseki –
| Company | Number of Patent Applications that faced Rejection Citing Nitto Boseki Patents | Number of Rejections (102 & 103) |
| Becton Dickinson | 5 | 19 |
| Electric Glass Fiber | 3 | 4 |
| Owens Corning | 3 | 8 |
| Leukocare | 3 | 8 |
| Toray Industries | 2 | 4 |
| Toyota | 2 | 3 |
| Murata Manufacturing | 1 | 1 |
| Samsung | 1 | 5 |
| Olbrzymek Dominik | 1 | 2 |
| Abbott Diabetes | 1 | 1 |
Count of 102 and 103 Type Rejections based on Nitto Boseki Patents
Top Nitto Boseki Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US7927810B2 | 12 |
| US7744820B2 | 5 |
| US20070017625A1 | 5 |
| US6846761B2 | 5 |
| US7993847B2 | 4 |
| US9951192B2 | 4 |
| US20090215929A1 | 3 |
| US6933045B2 | 3 |
| US9029449B2 | 2 |
| US8530053B2 | 2 |
| US20090297848A1 | 2 |
| US8689586B2 | 2 |
| US20060281852A1 | 2 |
| US8841222B2 | 2 |
| US20100307925A1 | 2 |