Average Co-Inventor Count = 1.73
ph-index = 4
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. Matsushita Electric Industrial Co., Ltd. (7 from 27,375 patents)
2. Ricoh Company, Ltd. (4 from 28,546 patents)
3. Eisai R&d Management Co., Ltd. (1 from 527 patents)
4. Micro Biopharm Japan Co., Ltd. (1 from 10 patents)
10 patents:
1. 8512995 - DNA encoding polypeptide involved in biosynthesis of herboxidiene
2. 7378458 - Method for preparing ink, ink cartridge and ink-jet recording apparatus
3. 7368007 - Ink-jet recording ink, image forming method, ink-jet recording apparatus and imaged article
4. 6287140 - Apparatus and method for maintaining continuous power supply to an electronic mobile instrument while replacing a drained battery
5. 5703626 - Portable electric apparatus using a pen member for inputting information
6. 4383310 - Pickup cartridge of movable magnet type
7. 4353125 - Electromagnetic pickup cartridge
8. 4352176 - Electromagnetic pickup cartridge
9. 4140886 - Magnetic type pickup cartridge block shaped pole piece construction
10. 3975025 - Pickup cartridge