Average Co-Inventor Count = 1.88
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Yamabiko Corporation (4 from 150 patents)
2. Oki Data Corporation (2 from 1,875 patents)
3. Kabushiki Kaisha Toshiba (1 from 52,711 patents)
4. Toshiba Infrastructure Systems & Solutions Corporation (1 from 279 patents)
5. Nihon Parkerizing Co., Ltd. (1 from 128 patents)
6. Oppama Industry Co., Ltd (1 from 21 patents)
7. Tbk Co., Ltd. (1 from 19 patents)
8. Ricoh Company, Ltd. (28,544 patents)
9 patents:
1. 12218752 - Communication device, processor, communication method, and computer program product
2. 11913371 - Air-leading type stratified scavenging two-stroke internal combustion engine, and engine working machine
3. 11835022 - Engine working apparatus
4. 11542880 - Two-stroke engine for working machine and series hybrid device for working machine incorporating the same
5. 11174819 - Starting-fuel supply device, adapter, and engine work machine
6. 10545452 - Image forming device including handle with shiftable operational positions
7. 10472585 - Aqueous lubricant for plastic working of metal material and having superior gas clogging resistance and post-moisture absorption workability
8. 9353744 - Vane-type hydraulic device having vane formed with engaging groove
9. 9296576 - Medium conveying device and image forming apparatus