Pfu Limited
Kahoku-shi, JP· latest recorded location
PFU LIMITED is named on 714 US grants and 630 published applications in this corpus. Its most frequent classification is H04N (Pictorial communication).
- Granted patents
- 714
- Published applications
- 630
- Inventors
- 581
- Granted in 2026 so far
- 32
- Most recent grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 8 | 0 |
| 1996 | 14 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 12 | 0 |
| 2000 | 12 | 0 |
| 2001 | 12 | 1 |
| 2002 | 5 | 5 |
| 2003 | 12 | 4 |
| 2004 | 6 | 10 |
| 2005 | 6 | 5 |
| 2006 | 9 | 11 |
| 2007 | 5 | 16 |
| 2008 | 15 | 16 |
| 2009 | 13 | 28 |
| 2010 | 33 | 21 |
| 2011 | 34 | 31 |
| 2012 | 28 | 12 |
| 2013 | 44 | 40 |
| 2014 | 71 | 57 |
| 2015 | 46 | 24 |
| 2016 | 35 | 22 |
| 2017 | 36 | 27 |
| 2018 | 18 | 17 |
| 2019 | 30 | 26 |
| 2020 | 22 | 24 |
| 2021 | 26 | 32 |
| 2022 | 22 | 45 |
| 2023 | 32 | 24 |
| 2024 | 26 | 68 |
| 2025 | 29 | 31 |
| 2026 | 32 | 33 |
By publication year. 2026 runs to 8 Oct.
Technology areas
Share of 1,344 documents
- H04NPictorial communication559
- B65HHandling thin or filamentary material402
- G06FComputing and data processing171
- G06VImage and video recognition127
- G06TImage data processing or generation, in general103
- G03GElectrography82
- H04LDigital communication73
- B41JTypewriters34
- G03BApparatus or arrangements for taking photographs or for projecting or viewing them21
- G06KGraphical data reading19
Recent patents
- Media conveying apparatus29 Sep 2026US 12,747,122 B2
- Image capturing device and panoramic image creation method22 Sep 2026US 12,743,015 B2
- Image reading apparatus, information processing method, and non-transitory recording medium for editing page data of a multi-page document in external storage25 Aug 2026US 12,719,997 B2
- Media feeding apparatus18 Aug 2026US 12,709,502 B2
- Medium conveyance device18 Aug 2026US 12,709,503 B2
- Imager and non-transitory recording medium8 Oct 2026US 2026/0313061 A1
- Media feeding apparatus, media feeding method, and non-transitory recording medium1 Oct 2026US 2026/0296815 A1
- Transfer apparatus, information processing system, non-transitory recording medium, and client apparatus24 Sep 2026US 2026/0291939 A1
- Medium conveying apparatus17 Sep 2026US 2026/0274596 A1
- Medium conveying apparatus and computer-readable non-transitory medium17 Sep 2026US 2026/0274600 A1
Most cited
By later US patents
- Heat sink for cooling a heat producing element and application411US 5,504,650 A1996
- Information terminal109US D610,582 S12010 · Design
- Coherence apparatus for cache of multiprocessor86US 5,890,217 A1999
- System for processing various types of information in easily usable form83US 4,954,969 A1990
- Channel control system having device control block and corresponding device control word with channel command part and I/O command part77US 5,031,091 A1991