Average Co-Inventor Count = 5.08
ph-index = 2
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. Kajima Corporation (2 from 150 patents)
2. Panasonic Intellectual Property Management Co., Ltd. (1 from 13,247 patents)
3 patents:
1. 12142064 - Character recognition device, character recognition method, character recognition system
2. 5350692 - Microorganisms useful for hydrogen gas production
3. 5350685 - Process for preparing hydrogen gas using microorganism